Home / 726,781.08-1,002,388.86-472,215

Finding the Fourth Proportional to 726,781.08, 1,002,388.86 and 472,215

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Solution

The fourth proportional to 726,781.08, 1,002,388.86 and 472,215 is: 651,286.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,781.08 : 1,002,388.86 = 472,215 : x
  2. Step 2: Convert to fraction form
    726,781.08/1,002,388.86 = 472,215/x
  3. Step 3: Cross multiply
    726,781.08x = 1,002,388.86 × 472,215
  4. Step 4: Simplify right side
    726,781.08x = 473,343,055,524.90
  5. Step 5: Solve for x
    x = 473,343,055,524.90/726,781.08
  6. Step 6: Final answer
    x = 651,286.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.