Home / 664,414.20-996,621.30-629,422.20

Finding the Fourth Proportional to 664,414.20, 996,621.30 and 629,422.20

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Solution

The fourth proportional to 664,414.20, 996,621.30 and 629,422.20 is: 944,133.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,414.20 : 996,621.30 = 629,422.20 : x
  2. Step 2: Convert to fraction form
    664,414.20/996,621.30 = 629,422.20/x
  3. Step 3: Cross multiply
    664,414.20x = 996,621.30 × 629,422.20
  4. Step 4: Simplify right side
    664,414.20x = 627,295,571,212.86
  5. Step 5: Solve for x
    x = 627,295,571,212.86/664,414.20
  6. Step 6: Final answer
    x = 944,133.30

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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.