Home / 792,005.07-1,187,947.92-252,239.57

Finding the Fourth Proportional to 792,005.07, 1,187,947.92 and 252,239.57

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Solution

The fourth proportional to 792,005.07, 1,187,947.92 and 252,239.57 is: 378,340.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,005.07 : 1,187,947.92 = 252,239.57 : x
  2. Step 2: Convert to fraction form
    792,005.07/1,187,947.92 = 252,239.57/x
  3. Step 3: Cross multiply
    792,005.07x = 1,187,947.92 × 252,239.57
  4. Step 4: Simplify right side
    792,005.07x = 299,647,471,984.16
  5. Step 5: Solve for x
    x = 299,647,471,984.16/792,005.07
  6. Step 6: Final answer
    x = 378,340.34

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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.