Finding the Fourth Proportional to 725,566.61, 1,088,349.57 and 252,251.88
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Solution
The fourth proportional to 725,566.61, 1,088,349.57 and 252,251.88 is: 378,377.70
Step by Step Solution
- Step 1: Write the proportion equation
725,566.61 : 1,088,349.57 = 252,251.88 : x - Step 2: Convert to fraction form
725,566.61/1,088,349.57 = 252,251.88/x - Step 3: Cross multiply
725,566.61x = 1,088,349.57 × 252,251.88 - Step 4: Simplify right side
725,566.61x = 274,538,225,129.69 - Step 5: Solve for x
x = 274,538,225,129.69/725,566.61 - Step 6: Final answer
x = 378,377.70
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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.