Finding the Fourth Proportional to 517,711.14, 714,460.26 and 288,280.26
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Solution
The fourth proportional to 517,711.14, 714,460.26 and 288,280.26 is: 397,837.28
Step by Step Solution
- Step 1: Write the proportion equation
517,711.14 : 714,460.26 = 288,280.26 : x - Step 2: Convert to fraction form
517,711.14/714,460.26 = 288,280.26/x - Step 3: Cross multiply
517,711.14x = 714,460.26 × 288,280.26 - Step 4: Simplify right side
517,711.14x = 205,964,789,512.47 - Step 5: Solve for x
x = 205,964,789,512.47/517,711.14 - Step 6: Final answer
x = 397,837.28
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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.