Finding the Fourth Proportional to 658,642.92, 908,592.84 and 416,517.72
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Solution
The fourth proportional to 658,642.92, 908,592.84 and 416,517.72 is: 574,582.99
Step by Step Solution
- Step 1: Write the proportion equation
658,642.92 : 908,592.84 = 416,517.72 : x - Step 2: Convert to fraction form
658,642.92/908,592.84 = 416,517.72/x - Step 3: Cross multiply
658,642.92x = 908,592.84 × 416,517.72 - Step 4: Simplify right side
658,642.92x = 378,445,018,125.13 - Step 5: Solve for x
x = 378,445,018,125.13/658,642.92 - Step 6: Final answer
x = 574,582.99
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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.