Home / 667,344.96-1,001,014.20-218,371.68

Finding the Fourth Proportional to 667,344.96, 1,001,014.20 and 218,371.68

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Solution

The fourth proportional to 667,344.96, 1,001,014.20 and 218,371.68 is: 327,556.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,344.96 : 1,001,014.20 = 218,371.68 : x
  2. Step 2: Convert to fraction form
    667,344.96/1,001,014.20 = 218,371.68/x
  3. Step 3: Cross multiply
    667,344.96x = 1,001,014.20 × 218,371.68
  4. Step 4: Simplify right side
    667,344.96x = 218,593,152,557.86
  5. Step 5: Solve for x
    x = 218,593,152,557.86/667,344.96
  6. Step 6: Final answer
    x = 327,556.46

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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.