Finding the Fourth Proportional to 932,117.10, 1,397,138.85 and 511,694.70
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Solution
The fourth proportional to 932,117.10, 1,397,138.85 and 511,694.70 is: 766,972.89
Step by Step Solution
- Step 1: Write the proportion equation
932,117.10 : 1,397,138.85 = 511,694.70 : x - Step 2: Convert to fraction form
932,117.10/1,397,138.85 = 511,694.70/x - Step 3: Cross multiply
932,117.10x = 1,397,138.85 × 511,694.70 - Step 4: Simplify right side
932,117.10x = 714,908,544,709.10 - Step 5: Solve for x
x = 714,908,544,709.10/932,117.10 - Step 6: Final answer
x = 766,972.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.