Home / 428,432.80-591,237.33-237,458.52

Finding the Fourth Proportional to 428,432.80, 591,237.33 and 237,458.52

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Solution

The fourth proportional to 428,432.80, 591,237.33 and 237,458.52 is: 327,692.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,432.80 : 591,237.33 = 237,458.52 : x
  2. Step 2: Convert to fraction form
    428,432.80/591,237.33 = 237,458.52/x
  3. Step 3: Cross multiply
    428,432.80x = 591,237.33 × 237,458.52
  4. Step 4: Simplify right side
    428,432.80x = 140,394,341,350.55
  5. Step 5: Solve for x
    x = 140,394,341,350.55/428,432.80
  6. Step 6: Final answer
    x = 327,692.79

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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.