Finding the Fourth Proportional to 676,515.98, 932,843.94 and 431,111.99
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Solution
The fourth proportional to 676,515.98, 932,843.94 and 431,111.99 is: 594,457.81
Step by Step Solution
- Step 1: Write the proportion equation
676,515.98 : 932,843.94 = 431,111.99 : x - Step 2: Convert to fraction form
676,515.98/932,843.94 = 431,111.99/x - Step 3: Cross multiply
676,515.98x = 932,843.94 × 431,111.99 - Step 4: Simplify right side
676,515.98x = 402,160,202,668.62 - Step 5: Solve for x
x = 402,160,202,668.62/676,515.98 - Step 6: Final answer
x = 594,457.81
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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.