Home / 547,768.40-821,716.60-173,829.20

Finding the Fourth Proportional to 547,768.40, 821,716.60 and 173,829.20

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Solution

The fourth proportional to 547,768.40, 821,716.60 and 173,829.20 is: 260,764.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,768.40 : 821,716.60 = 173,829.20 : x
  2. Step 2: Convert to fraction form
    547,768.40/821,716.60 = 173,829.20/x
  3. Step 3: Cross multiply
    547,768.40x = 821,716.60 × 173,829.20
  4. Step 4: Simplify right side
    547,768.40x = 142,838,339,204.72
  5. Step 5: Solve for x
    x = 142,838,339,204.72/547,768.40
  6. Step 6: Final answer
    x = 260,764.11

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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.