Home / 666,638.46-1,000,082.12-267,310.49

Finding the Fourth Proportional to 666,638.46, 1,000,082.12 and 267,310.49

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Solution

The fourth proportional to 666,638.46, 1,000,082.12 and 267,310.49 is: 401,015.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,638.46 : 1,000,082.12 = 267,310.49 : x
  2. Step 2: Convert to fraction form
    666,638.46/1,000,082.12 = 267,310.49/x
  3. Step 3: Cross multiply
    666,638.46x = 1,000,082.12 × 267,310.49
  4. Step 4: Simplify right side
    666,638.46x = 267,332,435,200.48
  5. Step 5: Solve for x
    x = 267,332,435,200.48/666,638.46
  6. Step 6: Final answer
    x = 401,015.62

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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.