Home / 484,629.24-668,808-269,755.68

Finding the Fourth Proportional to 484,629.24, 668,808 and 269,755.68

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Solution

The fourth proportional to 484,629.24, 668,808 and 269,755.68 is: 372,273.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,629.24 : 668,808 = 269,755.68 : x
  2. Step 2: Convert to fraction form
    484,629.24/668,808 = 269,755.68/x
  3. Step 3: Cross multiply
    484,629.24x = 668,808 × 269,755.68
  4. Step 4: Simplify right side
    484,629.24x = 180,414,756,829.44
  5. Step 5: Solve for x
    x = 180,414,756,829.44/484,629.24
  6. Step 6: Final answer
    x = 372,273.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.