Home / 667,306.30-1,001,056.65-218,047.90

Finding the Fourth Proportional to 667,306.30, 1,001,056.65 and 218,047.90

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Solution

The fourth proportional to 667,306.30, 1,001,056.65 and 218,047.90 is: 327,103.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,306.30 : 1,001,056.65 = 218,047.90 : x
  2. Step 2: Convert to fraction form
    667,306.30/1,001,056.65 = 218,047.90/x
  3. Step 3: Cross multiply
    667,306.30x = 1,001,056.65 × 218,047.90
  4. Step 4: Simplify right side
    667,306.30x = 218,278,300,313.54
  5. Step 5: Solve for x
    x = 218,278,300,313.54/667,306.30
  6. Step 6: Final answer
    x = 327,103.61

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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.