Home / 951,238.72-1,427,077.68-320,137.12

Finding the Fourth Proportional to 951,238.72, 1,427,077.68 and 320,137.12

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Solution

The fourth proportional to 951,238.72, 1,427,077.68 and 320,137.12 is: 480,279.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,238.72 : 1,427,077.68 = 320,137.12 : x
  2. Step 2: Convert to fraction form
    951,238.72/1,427,077.68 = 320,137.12/x
  3. Step 3: Cross multiply
    951,238.72x = 1,427,077.68 × 320,137.12
  4. Step 4: Simplify right side
    951,238.72x = 456,860,538,491.48
  5. Step 5: Solve for x
    x = 456,860,538,491.48/951,238.72
  6. Step 6: Final answer
    x = 480,279.59

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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.