Home / 800,344.38-1,200,518.60-327,029.74

Finding the Fourth Proportional to 800,344.38, 1,200,518.60 and 327,029.74

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Solution

The fourth proportional to 800,344.38, 1,200,518.60 and 327,029.74 is: 490,545.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,344.38 : 1,200,518.60 = 327,029.74 : x
  2. Step 2: Convert to fraction form
    800,344.38/1,200,518.60 = 327,029.74/x
  3. Step 3: Cross multiply
    800,344.38x = 1,200,518.60 × 327,029.74
  4. Step 4: Simplify right side
    800,344.38x = 392,605,282,826.26
  5. Step 5: Solve for x
    x = 392,605,282,826.26/800,344.38
  6. Step 6: Final answer
    x = 490,545.44

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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.