Home / 672,416.38-1,008,782.28-267,633.09

Finding the Fourth Proportional to 672,416.38, 1,008,782.28 and 267,633.09

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Solution

The fourth proportional to 672,416.38, 1,008,782.28 and 267,633.09 is: 401,512.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,416.38 : 1,008,782.28 = 267,633.09 : x
  2. Step 2: Convert to fraction form
    672,416.38/1,008,782.28 = 267,633.09/x
  3. Step 3: Cross multiply
    672,416.38x = 1,008,782.28 × 267,633.09
  4. Step 4: Simplify right side
    672,416.38x = 269,983,517,395.48
  5. Step 5: Solve for x
    x = 269,983,517,395.48/672,416.38
  6. Step 6: Final answer
    x = 401,512.40

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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.