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Finding the Fourth Proportional to 444,829.60, 667,244.40 and 267,245.20

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Solution

The fourth proportional to 444,829.60, 667,244.40 and 267,245.20 is: 400,867.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,829.60 : 667,244.40 = 267,245.20 : x
  2. Step 2: Convert to fraction form
    444,829.60/667,244.40 = 267,245.20/x
  3. Step 3: Cross multiply
    444,829.60x = 667,244.40 × 267,245.20
  4. Step 4: Simplify right side
    444,829.60x = 178,317,863,126.88
  5. Step 5: Solve for x
    x = 178,317,863,126.88/444,829.60
  6. Step 6: Final answer
    x = 400,867.80

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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.