Home / 800,031.90-1,200,197.30-267,555.72

Finding the Fourth Proportional to 800,031.90, 1,200,197.30 and 267,555.72

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Solution

The fourth proportional to 800,031.90, 1,200,197.30 and 267,555.72 is: 401,383.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,031.90 : 1,200,197.30 = 267,555.72 : x
  2. Step 2: Convert to fraction form
    800,031.90/1,200,197.30 = 267,555.72/x
  3. Step 3: Cross multiply
    800,031.90x = 1,200,197.30 × 267,555.72
  4. Step 4: Simplify right side
    800,031.90x = 321,119,652,743.56
  5. Step 5: Solve for x
    x = 321,119,652,743.56/800,031.90
  6. Step 6: Final answer
    x = 401,383.56

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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.