Home / 871,169.76-1,306,707.66-272,062.26

Finding the Fourth Proportional to 871,169.76, 1,306,707.66 and 272,062.26

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Solution

The fourth proportional to 871,169.76, 1,306,707.66 and 272,062.26 is: 408,078.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,169.76 : 1,306,707.66 = 272,062.26 : x
  2. Step 2: Convert to fraction form
    871,169.76/1,306,707.66 = 272,062.26/x
  3. Step 3: Cross multiply
    871,169.76x = 1,306,707.66 × 272,062.26
  4. Step 4: Simplify right side
    871,169.76x = 355,505,839,138.91
  5. Step 5: Solve for x
    x = 355,505,839,138.91/871,169.76
  6. Step 6: Final answer
    x = 408,078.72

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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.