Home / 927,337.58-1,391,100.76-320,046.86

Finding the Fourth Proportional to 927,337.58, 1,391,100.76 and 320,046.86

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Solution

The fourth proportional to 927,337.58, 1,391,100.76 and 320,046.86 is: 480,102.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,337.58 : 1,391,100.76 = 320,046.86 : x
  2. Step 2: Convert to fraction form
    927,337.58/1,391,100.76 = 320,046.86/x
  3. Step 3: Cross multiply
    927,337.58x = 1,391,100.76 × 320,046.86
  4. Step 4: Simplify right side
    927,337.58x = 445,217,430,181.61
  5. Step 5: Solve for x
    x = 445,217,430,181.61/927,337.58
  6. Step 6: Final answer
    x = 480,102.87

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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.