Finding the Fourth Proportional to 512,342.18, 707,092.17 and 426,149.09
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Solution
The fourth proportional to 512,342.18, 707,092.17 and 426,149.09 is: 588,135.62
Step by Step Solution
- Step 1: Write the proportion equation
512,342.18 : 707,092.17 = 426,149.09 : x - Step 2: Convert to fraction form
512,342.18/707,092.17 = 426,149.09/x - Step 3: Cross multiply
512,342.18x = 707,092.17 × 426,149.09 - Step 4: Simplify right side
512,342.18x = 301,326,684,791.63 - Step 5: Solve for x
x = 301,326,684,791.63/512,342.18 - Step 6: Final answer
x = 588,135.62
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1.5x scale
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.