Home / 667,735.76-1,001,392.20-218,352.80

Finding the Fourth Proportional to 667,735.76, 1,001,392.20 and 218,352.80

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Solution

The fourth proportional to 667,735.76, 1,001,392.20 and 218,352.80 is: 327,460.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,735.76 : 1,001,392.20 = 218,352.80 : x
  2. Step 2: Convert to fraction form
    667,735.76/1,001,392.20 = 218,352.80/x
  3. Step 3: Cross multiply
    667,735.76x = 1,001,392.20 × 218,352.80
  4. Step 4: Simplify right side
    667,735.76x = 218,656,790,768.16
  5. Step 5: Solve for x
    x = 218,656,790,768.16/667,735.76
  6. Step 6: Final answer
    x = 327,460.06

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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.