Home / 732,658.30-1,098,987.45-520,081.90

Finding the Fourth Proportional to 732,658.30, 1,098,987.45 and 520,081.90

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Solution

The fourth proportional to 732,658.30, 1,098,987.45 and 520,081.90 is: 780,122.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,658.30 : 1,098,987.45 = 520,081.90 : x
  2. Step 2: Convert to fraction form
    732,658.30/1,098,987.45 = 520,081.90/x
  3. Step 3: Cross multiply
    732,658.30x = 1,098,987.45 × 520,081.90
  4. Step 4: Simplify right side
    732,658.30x = 571,563,481,072.16
  5. Step 5: Solve for x
    x = 571,563,481,072.16/732,658.30
  6. Step 6: Final answer
    x = 780,122.85

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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.