Home / 969,420.20-1,454,195.10-329,714.60

Finding the Fourth Proportional to 969,420.20, 1,454,195.10 and 329,714.60

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Solution

The fourth proportional to 969,420.20, 1,454,195.10 and 329,714.60 is: 494,593.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,420.20 : 1,454,195.10 = 329,714.60 : x
  2. Step 2: Convert to fraction form
    969,420.20/1,454,195.10 = 329,714.60/x
  3. Step 3: Cross multiply
    969,420.20x = 1,454,195.10 × 329,714.60
  4. Step 4: Simplify right side
    969,420.20x = 479,469,355,718.46
  5. Step 5: Solve for x
    x = 479,469,355,718.46/969,420.20
  6. Step 6: Final answer
    x = 494,593.94

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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.