Home / 752,940.10-1,129,170.65-247,384.56

Finding the Fourth Proportional to 752,940.10, 1,129,170.65 and 247,384.56

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Solution

The fourth proportional to 752,940.10, 1,129,170.65 and 247,384.56 is: 370,998.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,940.10 : 1,129,170.65 = 247,384.56 : x
  2. Step 2: Convert to fraction form
    752,940.10/1,129,170.65 = 247,384.56/x
  3. Step 3: Cross multiply
    752,940.10x = 1,129,170.65 × 247,384.56
  4. Step 4: Simplify right side
    752,940.10x = 279,339,379,972.54
  5. Step 5: Solve for x
    x = 279,339,379,972.54/752,940.10
  6. Step 6: Final answer
    x = 370,998.14

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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.