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Finding the Fourth Proportional to 978,023.07, 1,466,877.24 and 267,885.09

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Solution

The fourth proportional to 978,023.07, 1,466,877.24 and 267,885.09 is: 401,784.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,023.07 : 1,466,877.24 = 267,885.09 : x
  2. Step 2: Convert to fraction form
    978,023.07/1,466,877.24 = 267,885.09/x
  3. Step 3: Cross multiply
    978,023.07x = 1,466,877.24 × 267,885.09
  4. Step 4: Simplify right side
    978,023.07x = 392,954,541,456.35
  5. Step 5: Solve for x
    x = 392,954,541,456.35/978,023.07
  6. Step 6: Final answer
    x = 401,784.53

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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.