Home / 803,730.60-1,206,786.30-449,452.20

Finding the Fourth Proportional to 803,730.60, 1,206,786.30 and 449,452.20

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Solution

The fourth proportional to 803,730.60, 1,206,786.30 and 449,452.20 is: 674,843.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,730.60 : 1,206,786.30 = 449,452.20 : x
  2. Step 2: Convert to fraction form
    803,730.60/1,206,786.30 = 449,452.20/x
  3. Step 3: Cross multiply
    803,730.60x = 1,206,786.30 × 449,452.20
  4. Step 4: Simplify right side
    803,730.60x = 542,392,757,464.86
  5. Step 5: Solve for x
    x = 542,392,757,464.86/803,730.60
  6. Step 6: Final answer
    x = 674,843.98

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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.