Finding the Fourth Proportional to 526,432.58, 726,476.94 and 284,715.14
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Solution
The fourth proportional to 526,432.58, 726,476.94 and 284,715.14 is: 392,906.88
Step by Step Solution
- Step 1: Write the proportion equation
526,432.58 : 726,476.94 = 284,715.14 : x - Step 2: Convert to fraction form
526,432.58/726,476.94 = 284,715.14/x - Step 3: Cross multiply
526,432.58x = 726,476.94 × 284,715.14 - Step 4: Simplify right side
526,432.58x = 206,838,983,678.87 - Step 5: Solve for x
x = 206,838,983,678.87/526,432.58 - Step 6: Final answer
x = 392,906.88
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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.