Home / 428,320.80-591,086.19-237,337.38

Finding the Fourth Proportional to 428,320.80, 591,086.19 and 237,337.38

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Solution

The fourth proportional to 428,320.80, 591,086.19 and 237,337.38 is: 327,527.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,320.80 : 591,086.19 = 237,337.38 : x
  2. Step 2: Convert to fraction form
    428,320.80/591,086.19 = 237,337.38/x
  3. Step 3: Cross multiply
    428,320.80x = 591,086.19 × 237,337.38
  4. Step 4: Simplify right side
    428,320.80x = 140,286,847,688.78
  5. Step 5: Solve for x
    x = 140,286,847,688.78/428,320.80
  6. Step 6: Final answer
    x = 327,527.52

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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.