Home / 682,876.20-1,024,314.30-443,375.40

Finding the Fourth Proportional to 682,876.20, 1,024,314.30 and 443,375.40

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Solution

The fourth proportional to 682,876.20, 1,024,314.30 and 443,375.40 is: 665,063.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,876.20 : 1,024,314.30 = 443,375.40 : x
  2. Step 2: Convert to fraction form
    682,876.20/1,024,314.30 = 443,375.40/x
  3. Step 3: Cross multiply
    682,876.20x = 1,024,314.30 × 443,375.40
  4. Step 4: Simplify right side
    682,876.20x = 454,155,762,488.22
  5. Step 5: Solve for x
    x = 454,155,762,488.22/682,876.20
  6. Step 6: Final answer
    x = 665,063.10

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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.