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Finding the Fourth Proportional to 548,864.52, 822,231.26 and 404,508.04

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Solution

The fourth proportional to 548,864.52, 822,231.26 and 404,508.04 is: 605,976.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,864.52 : 822,231.26 = 404,508.04 : x
  2. Step 2: Convert to fraction form
    548,864.52/822,231.26 = 404,508.04/x
  3. Step 3: Cross multiply
    548,864.52x = 822,231.26 × 404,508.04
  4. Step 4: Simplify right side
    548,864.52x = 332,599,155,409.33
  5. Step 5: Solve for x
    x = 332,599,155,409.33/548,864.52
  6. Step 6: Final answer
    x = 605,976.78

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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.