Home / 951,244.85-1,427,086.87-320,143.25

Finding the Fourth Proportional to 951,244.85, 1,427,086.87 and 320,143.25

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Solution

The fourth proportional to 951,244.85, 1,427,086.87 and 320,143.25 is: 480,288.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,244.85 : 1,427,086.87 = 320,143.25 : x
  2. Step 2: Convert to fraction form
    951,244.85/1,427,086.87 = 320,143.25/x
  3. Step 3: Cross multiply
    951,244.85x = 1,427,086.87 × 320,143.25
  4. Step 4: Simplify right side
    951,244.85x = 456,872,220,658.34
  5. Step 5: Solve for x
    x = 456,872,220,658.34/951,244.85
  6. Step 6: Final answer
    x = 480,288.77

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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.