Home / 428,314.20-591,073.02-237,339.96

Finding the Fourth Proportional to 428,314.20, 591,073.02 and 237,339.96

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Solution

The fourth proportional to 428,314.20, 591,073.02 and 237,339.96 is: 327,528.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,314.20 : 591,073.02 = 237,339.96 : x
  2. Step 2: Convert to fraction form
    428,314.20/591,073.02 = 237,339.96/x
  3. Step 3: Cross multiply
    428,314.20x = 591,073.02 × 237,339.96
  4. Step 4: Simplify right side
    428,314.20x = 140,285,246,923.88
  5. Step 5: Solve for x
    x = 140,285,246,923.88/428,314.20
  6. Step 6: Final answer
    x = 327,528.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.