Finding the Fourth Proportional to 676,516.98, 932,845.32 and 431,112.99
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Solution
The fourth proportional to 676,516.98, 932,845.32 and 431,112.99 is: 594,459.19
Step by Step Solution
- Step 1: Write the proportion equation
676,516.98 : 932,845.32 = 431,112.99 : x - Step 2: Convert to fraction form
676,516.98/932,845.32 = 431,112.99/x - Step 3: Cross multiply
676,516.98x = 932,845.32 × 431,112.99 - Step 4: Simplify right side
676,516.98x = 402,161,735,112.71 - Step 5: Solve for x
x = 402,161,735,112.71/676,516.98 - Step 6: Final answer
x = 594,459.19
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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.