Finding the Fourth Proportional to 512,084.97, 707,010.12 and 458,277.48
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Solution
The fourth proportional to 512,084.97, 707,010.12 and 458,277.48 is: 632,720.81
Step by Step Solution
- Step 1: Write the proportion equation
512,084.97 : 707,010.12 = 458,277.48 : x - Step 2: Convert to fraction form
512,084.97/707,010.12 = 458,277.48/x - Step 3: Cross multiply
512,084.97x = 707,010.12 × 458,277.48 - Step 4: Simplify right side
512,084.97x = 324,006,816,128.10 - Step 5: Solve for x
x = 324,006,816,128.10/512,084.97 - Step 6: Final answer
x = 632,720.81
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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.