Home / 800,105.52-1,199,907.92-267,502.34

Finding the Fourth Proportional to 800,105.52, 1,199,907.92 and 267,502.34

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Solution

The fourth proportional to 800,105.52, 1,199,907.92 and 267,502.34 is: 401,169.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,105.52 : 1,199,907.92 = 267,502.34 : x
  2. Step 2: Convert to fraction form
    800,105.52/1,199,907.92 = 267,502.34/x
  3. Step 3: Cross multiply
    800,105.52x = 1,199,907.92 × 267,502.34
  4. Step 4: Simplify right side
    800,105.52x = 320,978,176,384.53
  5. Step 5: Solve for x
    x = 320,978,176,384.53/800,105.52
  6. Step 6: Final answer
    x = 401,169.81

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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.