Finding the Fourth Proportional to 902,442.70, 1,245,937.17 and 580,711.92
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Solution
The fourth proportional to 902,442.70, 1,245,937.17 and 580,711.92 is: 801,746.82
Step by Step Solution
- Step 1: Write the proportion equation
902,442.70 : 1,245,937.17 = 580,711.92 : x - Step 2: Convert to fraction form
902,442.70/1,245,937.17 = 580,711.92/x - Step 3: Cross multiply
902,442.70x = 1,245,937.17 × 580,711.92 - Step 4: Simplify right side
902,442.70x = 723,530,566,190.07 - Step 5: Solve for x
x = 723,530,566,190.07/902,442.70 - Step 6: Final answer
x = 801,746.82
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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.