Home / 442,929.20-663,601.80-269,505.20

Finding the Fourth Proportional to 442,929.20, 663,601.80 and 269,505.20

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Solution

The fourth proportional to 442,929.20, 663,601.80 and 269,505.20 is: 403,775.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,929.20 : 663,601.80 = 269,505.20 : x
  2. Step 2: Convert to fraction form
    442,929.20/663,601.80 = 269,505.20/x
  3. Step 3: Cross multiply
    442,929.20x = 663,601.80 × 269,505.20
  4. Step 4: Simplify right side
    442,929.20x = 178,844,135,829.36
  5. Step 5: Solve for x
    x = 178,844,135,829.36/442,929.20
  6. Step 6: Final answer
    x = 403,775.90

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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.