Home / 578,449.60-867,091.20-263,132.80

Finding the Fourth Proportional to 578,449.60, 867,091.20 and 263,132.80

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Solution

The fourth proportional to 578,449.60, 867,091.20 and 263,132.80 is: 394,433.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,449.60 : 867,091.20 = 263,132.80 : x
  2. Step 2: Convert to fraction form
    578,449.60/867,091.20 = 263,132.80/x
  3. Step 3: Cross multiply
    578,449.60x = 867,091.20 × 263,132.80
  4. Step 4: Simplify right side
    578,449.60x = 228,160,135,311.36
  5. Step 5: Solve for x
    x = 228,160,135,311.36/578,449.60
  6. Step 6: Final answer
    x = 394,433.91

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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.