Home / 547,747.97-822,298.55-259,834.88

Finding the Fourth Proportional to 547,747.97, 822,298.55 and 259,834.88

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Solution

The fourth proportional to 547,747.97, 822,298.55 and 259,834.88 is: 390,073.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,747.97 : 822,298.55 = 259,834.88 : x
  2. Step 2: Convert to fraction form
    547,747.97/822,298.55 = 259,834.88/x
  3. Step 3: Cross multiply
    547,747.97x = 822,298.55 × 259,834.88
  4. Step 4: Simplify right side
    547,747.97x = 213,661,845,820.00
  5. Step 5: Solve for x
    x = 213,661,845,820.00/547,747.97
  6. Step 6: Final answer
    x = 390,073.28

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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.