Finding the Fourth Proportional to 623,920.91, 861,010.85 and 337,440.99
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Solution
The fourth proportional to 623,920.91, 861,010.85 and 337,440.99 is: 465,668.56
Step by Step Solution
- Step 1: Write the proportion equation
623,920.91 : 861,010.85 = 337,440.99 : x - Step 2: Convert to fraction form
623,920.91/861,010.85 = 337,440.99/x - Step 3: Cross multiply
623,920.91x = 861,010.85 × 337,440.99 - Step 4: Simplify right side
623,920.91x = 290,540,354,468.34 - Step 5: Solve for x
x = 290,540,354,468.34/623,920.91 - Step 6: Final answer
x = 465,668.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.