Home / 667,447.72-1,001,170.92-268,088.56

Finding the Fourth Proportional to 667,447.72, 1,001,170.92 and 268,088.56

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Solution

The fourth proportional to 667,447.72, 1,001,170.92 and 268,088.56 is: 402,132.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,447.72 : 1,001,170.92 = 268,088.56 : x
  2. Step 2: Convert to fraction form
    667,447.72/1,001,170.92 = 268,088.56/x
  3. Step 3: Cross multiply
    667,447.72x = 1,001,170.92 × 268,088.56
  4. Step 4: Simplify right side
    667,447.72x = 268,402,470,256.68
  5. Step 5: Solve for x
    x = 268,402,470,256.68/667,447.72
  6. Step 6: Final answer
    x = 402,132.57

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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.