Home / 672,423.49-1,008,792.92-267,640.20

Finding the Fourth Proportional to 672,423.49, 1,008,792.92 and 267,640.20

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Solution

The fourth proportional to 672,423.49, 1,008,792.92 and 267,640.20 is: 401,523.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,423.49 : 1,008,792.92 = 267,640.20 : x
  2. Step 2: Convert to fraction form
    672,423.49/1,008,792.92 = 267,640.20/x
  3. Step 3: Cross multiply
    672,423.49x = 1,008,792.92 × 267,640.20
  4. Step 4: Simplify right side
    672,423.49x = 269,993,538,031.01
  5. Step 5: Solve for x
    x = 269,993,538,031.01/672,423.49
  6. Step 6: Final answer
    x = 401,523.06

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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.