Home / 863,916.20-1,295,874.30-486,002.60

Finding the Fourth Proportional to 863,916.20, 1,295,874.30 and 486,002.60

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Solution

The fourth proportional to 863,916.20, 1,295,874.30 and 486,002.60 is: 729,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,916.20 : 1,295,874.30 = 486,002.60 : x
  2. Step 2: Convert to fraction form
    863,916.20/1,295,874.30 = 486,002.60/x
  3. Step 3: Cross multiply
    863,916.20x = 1,295,874.30 × 486,002.60
  4. Step 4: Simplify right side
    863,916.20x = 629,798,279,073.18
  5. Step 5: Solve for x
    x = 629,798,279,073.18/863,916.20
  6. Step 6: Final answer
    x = 729,003.90

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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.