Home / 800,344.60-1,200,518.93-327,029.96

Finding the Fourth Proportional to 800,344.60, 1,200,518.93 and 327,029.96

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Solution

The fourth proportional to 800,344.60, 1,200,518.93 and 327,029.96 is: 490,545.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,344.60 : 1,200,518.93 = 327,029.96 : x
  2. Step 2: Convert to fraction form
    800,344.60/1,200,518.93 = 327,029.96/x
  3. Step 3: Cross multiply
    800,344.60x = 1,200,518.93 × 327,029.96
  4. Step 4: Simplify right side
    800,344.60x = 392,605,651,654.55
  5. Step 5: Solve for x
    x = 392,605,651,654.55/800,344.60
  6. Step 6: Final answer
    x = 490,545.77

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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.