Home / 422,070.20-582,512.45-240,740.55

Finding the Fourth Proportional to 422,070.20, 582,512.45 and 240,740.55

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Solution

The fourth proportional to 422,070.20, 582,512.45 and 240,740.55 is: 332,253.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,070.20 : 582,512.45 = 240,740.55 : x
  2. Step 2: Convert to fraction form
    422,070.20/582,512.45 = 240,740.55/x
  3. Step 3: Cross multiply
    422,070.20x = 582,512.45 × 240,740.55
  4. Step 4: Simplify right side
    422,070.20x = 140,234,366,391.15
  5. Step 5: Solve for x
    x = 140,234,366,391.15/422,070.20
  6. Step 6: Final answer
    x = 332,253.66

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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.