Home / 547,729.46-821,517.64-187,894.43

Finding the Fourth Proportional to 547,729.46, 821,517.64 and 187,894.43

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Solution

The fourth proportional to 547,729.46, 821,517.64 and 187,894.43 is: 281,815.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,729.46 : 821,517.64 = 187,894.43 : x
  2. Step 2: Convert to fraction form
    547,729.46/821,517.64 = 187,894.43/x
  3. Step 3: Cross multiply
    547,729.46x = 821,517.64 × 187,894.43
  4. Step 4: Simplify right side
    547,729.46x = 154,358,587,763.27
  5. Step 5: Solve for x
    x = 154,358,587,763.27/547,729.46
  6. Step 6: Final answer
    x = 281,815.39

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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.