Finding the Fourth Proportional to 725,657.42, 1,088,785.98 and 365,635.84
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Solution
The fourth proportional to 725,657.42, 1,088,785.98 and 365,635.84 is: 548,604.84
Step by Step Solution
- Step 1: Write the proportion equation
725,657.42 : 1,088,785.98 = 365,635.84 : x - Step 2: Convert to fraction form
725,657.42/1,088,785.98 = 365,635.84/x - Step 3: Cross multiply
725,657.42x = 1,088,785.98 × 365,635.84 - Step 4: Simplify right side
725,657.42x = 398,099,176,377.52 - Step 5: Solve for x
x = 398,099,176,377.52/725,657.42 - Step 6: Final answer
x = 548,604.84
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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.