Finding the Fourth Proportional to 411,865.25, 618,234.59 and 364,785.97
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Solution
The fourth proportional to 411,865.25, 618,234.59 and 364,785.97 is: 547,565.75
Step by Step Solution
- Step 1: Write the proportion equation
411,865.25 : 618,234.59 = 364,785.97 : x - Step 2: Convert to fraction form
411,865.25/618,234.59 = 364,785.97/x - Step 3: Cross multiply
411,865.25x = 618,234.59 × 364,785.97 - Step 4: Simplify right side
411,865.25x = 225,523,304,600.70 - Step 5: Solve for x
x = 225,523,304,600.70/411,865.25 - Step 6: Final answer
x = 547,565.75
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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.