Home / 428,299.52-591,087.04-237,331.20

Finding the Fourth Proportional to 428,299.52, 591,087.04 and 237,331.20

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Solution

The fourth proportional to 428,299.52, 591,087.04 and 237,331.20 is: 327,535.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,299.52 : 591,087.04 = 237,331.20 : x
  2. Step 2: Convert to fraction form
    428,299.52/591,087.04 = 237,331.20/x
  3. Step 3: Cross multiply
    428,299.52x = 591,087.04 × 237,331.20
  4. Step 4: Simplify right side
    428,299.52x = 140,283,396,507.65
  5. Step 5: Solve for x
    x = 140,283,396,507.65/428,299.52
  6. Step 6: Final answer
    x = 327,535.73

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1.5x scale

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.