Home / 495,930.87-743,273.69-268,217.41

Finding the Fourth Proportional to 495,930.87, 743,273.69 and 268,217.41

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Solution

The fourth proportional to 495,930.87, 743,273.69 and 268,217.41 is: 401,989.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,930.87 : 743,273.69 = 268,217.41 : x
  2. Step 2: Convert to fraction form
    495,930.87/743,273.69 = 268,217.41/x
  3. Step 3: Cross multiply
    495,930.87x = 743,273.69 × 268,217.41
  4. Step 4: Simplify right side
    495,930.87x = 199,358,944,052.94
  5. Step 5: Solve for x
    x = 199,358,944,052.94/495,930.87
  6. Step 6: Final answer
    x = 401,989.38

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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.