Finding the Fourth Proportional to 677,337.88, 934,756.62 and 386,974.84
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Solution
The fourth proportional to 677,337.88, 934,756.62 and 386,974.84 is: 534,042.62
Step by Step Solution
- Step 1: Write the proportion equation
677,337.88 : 934,756.62 = 386,974.84 : x - Step 2: Convert to fraction form
677,337.88/934,756.62 = 386,974.84/x - Step 3: Cross multiply
677,337.88x = 934,756.62 × 386,974.84 - Step 4: Simplify right side
677,337.88x = 361,727,293,463.44 - Step 5: Solve for x
x = 361,727,293,463.44/677,337.88 - Step 6: Final answer
x = 534,042.62
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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.