Home / 547,734.20-821,745.30-173,756.60

Finding the Fourth Proportional to 547,734.20, 821,745.30 and 173,756.60

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Solution

The fourth proportional to 547,734.20, 821,745.30 and 173,756.60 is: 260,680.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,734.20 : 821,745.30 = 173,756.60 : x
  2. Step 2: Convert to fraction form
    547,734.20/821,745.30 = 173,756.60/x
  3. Step 3: Cross multiply
    547,734.20x = 821,745.30 × 173,756.60
  4. Step 4: Simplify right side
    547,734.20x = 142,783,669,393.98
  5. Step 5: Solve for x
    x = 142,783,669,393.98/547,734.20
  6. Step 6: Final answer
    x = 260,680.58

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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.