Home / 439,723.60-658,273.20-413,771.20

Finding the Fourth Proportional to 439,723.60, 658,273.20 and 413,771.20

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Solution

The fourth proportional to 439,723.60, 658,273.20 and 413,771.20 is: 619,422.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,723.60 : 658,273.20 = 413,771.20 : x
  2. Step 2: Convert to fraction form
    439,723.60/658,273.20 = 413,771.20/x
  3. Step 3: Cross multiply
    439,723.60x = 658,273.20 × 413,771.20
  4. Step 4: Simplify right side
    439,723.60x = 272,374,491,891.84
  5. Step 5: Solve for x
    x = 272,374,491,891.84/439,723.60
  6. Step 6: Final answer
    x = 619,422.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.