Finding the Fourth Proportional to 725,747.28, 1,088,702.84 and 304,944.72
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Solution
The fourth proportional to 725,747.28, 1,088,702.84 and 304,944.72 is: 457,451.50
Step by Step Solution
- Step 1: Write the proportion equation
725,747.28 : 1,088,702.84 = 304,944.72 : x - Step 2: Convert to fraction form
725,747.28/1,088,702.84 = 304,944.72/x - Step 3: Cross multiply
725,747.28x = 1,088,702.84 × 304,944.72 - Step 4: Simplify right side
725,747.28x = 331,994,182,707.01 - Step 5: Solve for x
x = 331,994,182,707.01/725,747.28 - Step 6: Final answer
x = 457,451.50
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1.5x scale
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.