Finding the Fourth Proportional to 462,195.71, 638,007.80 and 413,711.94
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Solution
The fourth proportional to 462,195.71, 638,007.80 and 413,711.94 is: 571,081.55
Step by Step Solution
- Step 1: Write the proportion equation
462,195.71 : 638,007.80 = 413,711.94 : x - Step 2: Convert to fraction form
462,195.71/638,007.80 = 413,711.94/x - Step 3: Cross multiply
462,195.71x = 638,007.80 × 413,711.94 - Step 4: Simplify right side
462,195.71x = 263,951,444,673.13 - Step 5: Solve for x
x = 263,951,444,673.13/462,195.71 - Step 6: Final answer
x = 571,081.55
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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.