Home / 437,531.40-656,297.10-331,243.20

Finding the Fourth Proportional to 437,531.40, 656,297.10 and 331,243.20

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Solution

The fourth proportional to 437,531.40, 656,297.10 and 331,243.20 is: 496,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,531.40 : 656,297.10 = 331,243.20 : x
  2. Step 2: Convert to fraction form
    437,531.40/656,297.10 = 331,243.20/x
  3. Step 3: Cross multiply
    437,531.40x = 656,297.10 × 331,243.20
  4. Step 4: Simplify right side
    437,531.40x = 217,393,951,554.72
  5. Step 5: Solve for x
    x = 217,393,951,554.72/437,531.40
  6. Step 6: Final answer
    x = 496,864.80

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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.