Home / 428,688.20-591,560.88-237,694.52

Finding the Fourth Proportional to 428,688.20, 591,560.88 and 237,694.52

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Solution

The fourth proportional to 428,688.20, 591,560.88 and 237,694.52 is: 328,002.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,688.20 : 591,560.88 = 237,694.52 : x
  2. Step 2: Convert to fraction form
    428,688.20/591,560.88 = 237,694.52/x
  3. Step 3: Cross multiply
    428,688.20x = 591,560.88 × 237,694.52
  4. Step 4: Simplify right side
    428,688.20x = 140,610,779,422.38
  5. Step 5: Solve for x
    x = 140,610,779,422.38/428,688.20
  6. Step 6: Final answer
    x = 328,002.45

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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.