Finding the Fourth Proportional to 724,107.69, 1,086,514.29 and 297,771.60
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Solution
The fourth proportional to 724,107.69, 1,086,514.29 and 297,771.60 is: 446,802.46
Step by Step Solution
- Step 1: Write the proportion equation
724,107.69 : 1,086,514.29 = 297,771.60 : x - Step 2: Convert to fraction form
724,107.69/1,086,514.29 = 297,771.60/x - Step 3: Cross multiply
724,107.69x = 1,086,514.29 × 297,771.60 - Step 4: Simplify right side
724,107.69x = 323,533,098,556.16 - Step 5: Solve for x
x = 323,533,098,556.16/724,107.69 - Step 6: Final answer
x = 446,802.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.