Home / 667,505.52-1,001,319.80-218,228.76

Finding the Fourth Proportional to 667,505.52, 1,001,319.80 and 218,228.76

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Solution

The fourth proportional to 667,505.52, 1,001,319.80 and 218,228.76 is: 327,363.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,505.52 : 1,001,319.80 = 218,228.76 : x
  2. Step 2: Convert to fraction form
    667,505.52/1,001,319.80 = 218,228.76/x
  3. Step 3: Cross multiply
    667,505.52x = 1,001,319.80 × 218,228.76
  4. Step 4: Simplify right side
    667,505.52x = 218,516,777,226.30
  5. Step 5: Solve for x
    x = 218,516,777,226.30/667,505.52
  6. Step 6: Final answer
    x = 327,363.25

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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.