Finding the Fourth Proportional to 698,365.13, 963,761.00 and 392,423.17
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Solution
The fourth proportional to 698,365.13, 963,761.00 and 392,423.17 is: 541,553.59
Step by Step Solution
- Step 1: Write the proportion equation
698,365.13 : 963,761.00 = 392,423.17 : x - Step 2: Convert to fraction form
698,365.13/963,761.00 = 392,423.17/x - Step 3: Cross multiply
698,365.13x = 963,761.00 × 392,423.17 - Step 4: Simplify right side
698,365.13x = 378,202,144,780.25 - Step 5: Solve for x
x = 378,202,144,780.25/698,365.13 - Step 6: Final answer
x = 541,553.59
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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.