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Finding the Fourth Proportional to 484,330.92, 726,489.06 and 217,903.32

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Solution

The fourth proportional to 484,330.92, 726,489.06 and 217,903.32 is: 326,851.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,330.92 : 726,489.06 = 217,903.32 : x
  2. Step 2: Convert to fraction form
    484,330.92/726,489.06 = 217,903.32/x
  3. Step 3: Cross multiply
    484,330.92x = 726,489.06 × 217,903.32
  4. Step 4: Simplify right side
    484,330.92x = 158,304,378,117.68
  5. Step 5: Solve for x
    x = 158,304,378,117.68/484,330.92
  6. Step 6: Final answer
    x = 326,851.69

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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.