Home / 496,000.80-743,583.12-215,306.64

Finding the Fourth Proportional to 496,000.80, 743,583.12 and 215,306.64

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Solution

The fourth proportional to 496,000.80, 743,583.12 and 215,306.64 is: 322,778.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,000.80 : 743,583.12 = 215,306.64 : x
  2. Step 2: Convert to fraction form
    496,000.80/743,583.12 = 215,306.64/x
  3. Step 3: Cross multiply
    496,000.80x = 743,583.12 × 215,306.64
  4. Step 4: Simplify right side
    496,000.80x = 160,098,383,127.92
  5. Step 5: Solve for x
    x = 160,098,383,127.92/496,000.80
  6. Step 6: Final answer
    x = 322,778.48

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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.