Home / 442,949.20-663,631.80-269,525.20

Finding the Fourth Proportional to 442,949.20, 663,631.80 and 269,525.20

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Solution

The fourth proportional to 442,949.20, 663,631.80 and 269,525.20 is: 403,805.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,949.20 : 663,631.80 = 269,525.20 : x
  2. Step 2: Convert to fraction form
    442,949.20/663,631.80 = 269,525.20/x
  3. Step 3: Cross multiply
    442,949.20x = 663,631.80 × 269,525.20
  4. Step 4: Simplify right side
    442,949.20x = 178,865,493,621.36
  5. Step 5: Solve for x
    x = 178,865,493,621.36/442,949.20
  6. Step 6: Final answer
    x = 403,805.88

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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.