Home / 747,654.28-1,121,497.20-267,913.36

Finding the Fourth Proportional to 747,654.28, 1,121,497.20 and 267,913.36

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Solution

The fourth proportional to 747,654.28, 1,121,497.20 and 267,913.36 is: 401,875.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,654.28 : 1,121,497.20 = 267,913.36 : x
  2. Step 2: Convert to fraction form
    747,654.28/1,121,497.20 = 267,913.36/x
  3. Step 3: Cross multiply
    747,654.28x = 1,121,497.20 × 267,913.36
  4. Step 4: Simplify right side
    747,654.28x = 300,464,083,082.59
  5. Step 5: Solve for x
    x = 300,464,083,082.59/747,654.28
  6. Step 6: Final answer
    x = 401,875.69

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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.