are you asking about page rank or google search engine ranking ? anyway, to get both you need to get lots of quality backlinks for your site + on site seo
We don’t even know what your key words are. If fist few responses are PageRank 5 you will need to get your site up a Pagerank 5 site first. Where are you placing now? Your best bet is read read read. Start working with low results for keywords and build your way up by great unique content and lots of backlinks from Blogs, Directories and other common sites for link exchanges. As you Alexa ranking lower and you get more traffic you will get better listings.
well, its hard to say in few lines. start reading abouyt onpage optimization and link building. read the forums and do your onw search as well. basically you need a properly optimized site and the rest is usually link building
get page rank 1 page in google so your page have more backlink especialy link with page have high PR. without must have quality content