Finding the Fourth Proportional to 935,591.12, 1,291,706.12 and 649,010.96
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Solution
The fourth proportional to 935,591.12, 1,291,706.12 and 649,010.96 is: 896,044.66
Step by Step Solution
- Step 1: Write the proportion equation
935,591.12 : 1,291,706.12 = 649,010.96 : x - Step 2: Convert to fraction form
935,591.12/1,291,706.12 = 649,010.96/x - Step 3: Cross multiply
935,591.12x = 1,291,706.12 × 649,010.96 - Step 4: Simplify right side
935,591.12x = 838,331,428,979.08 - Step 5: Solve for x
x = 838,331,428,979.08/935,591.12 - Step 6: Final answer
x = 896,044.66
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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.