Home / 437,535.40-656,303.10-331,247.20

Finding the Fourth Proportional to 437,535.40, 656,303.10 and 331,247.20

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Solution

The fourth proportional to 437,535.40, 656,303.10 and 331,247.20 is: 496,870.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,535.40 : 656,303.10 = 331,247.20 : x
  2. Step 2: Convert to fraction form
    437,535.40/656,303.10 = 331,247.20/x
  3. Step 3: Cross multiply
    437,535.40x = 656,303.10 × 331,247.20
  4. Step 4: Simplify right side
    437,535.40x = 217,398,564,226.32
  5. Step 5: Solve for x
    x = 217,398,564,226.32/437,535.40
  6. Step 6: Final answer
    x = 496,870.80

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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.