Home / 437,399.20-656,098.80-382,103.20

Finding the Fourth Proportional to 437,399.20, 656,098.80 and 382,103.20

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Solution

The fourth proportional to 437,399.20, 656,098.80 and 382,103.20 is: 573,154.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,399.20 : 656,098.80 = 382,103.20 : x
  2. Step 2: Convert to fraction form
    437,399.20/656,098.80 = 382,103.20/x
  3. Step 3: Cross multiply
    437,399.20x = 656,098.80 × 382,103.20
  4. Step 4: Simplify right side
    437,399.20x = 250,697,450,996.16
  5. Step 5: Solve for x
    x = 250,697,450,996.16/437,399.20
  6. Step 6: Final answer
    x = 573,154.80

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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.