Home / 803,311.20-1,204,966.80-329,752.80

Finding the Fourth Proportional to 803,311.20, 1,204,966.80 and 329,752.80

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Solution

The fourth proportional to 803,311.20, 1,204,966.80 and 329,752.80 is: 494,629.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,311.20 : 1,204,966.80 = 329,752.80 : x
  2. Step 2: Convert to fraction form
    803,311.20/1,204,966.80 = 329,752.80/x
  3. Step 3: Cross multiply
    803,311.20x = 1,204,966.80 × 329,752.80
  4. Step 4: Simplify right side
    803,311.20x = 397,341,176,207.04
  5. Step 5: Solve for x
    x = 397,341,176,207.04/803,311.20
  6. Step 6: Final answer
    x = 494,629.20

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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.