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Finding the Fourth Proportional to 666,891.02, 1,000,523.85 and 267,812.02

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Solution

The fourth proportional to 666,891.02, 1,000,523.85 and 267,812.02 is: 401,793.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,891.02 : 1,000,523.85 = 267,812.02 : x
  2. Step 2: Convert to fraction form
    666,891.02/1,000,523.85 = 267,812.02/x
  3. Step 3: Cross multiply
    666,891.02x = 1,000,523.85 × 267,812.02
  4. Step 4: Simplify right side
    666,891.02x = 267,952,313,573.04
  5. Step 5: Solve for x
    x = 267,952,313,573.04/666,891.02
  6. Step 6: Final answer
    x = 401,793.25

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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.