Home / 547,635.80-821,747.78-228,008.32

Finding the Fourth Proportional to 547,635.80, 821,747.78 and 228,008.32

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Solution

The fourth proportional to 547,635.80, 821,747.78 and 228,008.32 is: 342,134.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,635.80 : 821,747.78 = 228,008.32 : x
  2. Step 2: Convert to fraction form
    547,635.80/821,747.78 = 228,008.32/x
  3. Step 3: Cross multiply
    547,635.80x = 821,747.78 × 228,008.32
  4. Step 4: Simplify right side
    547,635.80x = 187,365,330,781.53
  5. Step 5: Solve for x
    x = 187,365,330,781.53/547,635.80
  6. Step 6: Final answer
    x = 342,134.92

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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.