Home / 437,558.40-656,337.60-331,270.20

Finding the Fourth Proportional to 437,558.40, 656,337.60 and 331,270.20

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Solution

The fourth proportional to 437,558.40, 656,337.60 and 331,270.20 is: 496,905.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,558.40 : 656,337.60 = 331,270.20 : x
  2. Step 2: Convert to fraction form
    437,558.40/656,337.60 = 331,270.20/x
  3. Step 3: Cross multiply
    437,558.40x = 656,337.60 × 331,270.20
  4. Step 4: Simplify right side
    437,558.40x = 217,425,088,019.52
  5. Step 5: Solve for x
    x = 217,425,088,019.52/437,558.40
  6. Step 6: Final answer
    x = 496,905.30

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1.5x scale

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.