Home / 547,749.97-822,301.55-259,836.88

Finding the Fourth Proportional to 547,749.97, 822,301.55 and 259,836.88

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Solution

The fourth proportional to 547,749.97, 822,301.55 and 259,836.88 is: 390,076.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,749.97 : 822,301.55 = 259,836.88 : x
  2. Step 2: Convert to fraction form
    547,749.97/822,301.55 = 259,836.88/x
  3. Step 3: Cross multiply
    547,749.97x = 822,301.55 × 259,836.88
  4. Step 4: Simplify right side
    547,749.97x = 213,664,269,171.16
  5. Step 5: Solve for x
    x = 213,664,269,171.16/547,749.97
  6. Step 6: Final answer
    x = 390,076.28

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1.5x scale

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.