Home / 792,755.97-1,189,091.48-280,385.61

Finding the Fourth Proportional to 792,755.97, 1,189,091.48 and 280,385.61

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Solution

The fourth proportional to 792,755.97, 1,189,091.48 and 280,385.61 is: 420,563.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,755.97 : 1,189,091.48 = 280,385.61 : x
  2. Step 2: Convert to fraction form
    792,755.97/1,189,091.48 = 280,385.61/x
  3. Step 3: Cross multiply
    792,755.97x = 1,189,091.48 × 280,385.61
  4. Step 4: Simplify right side
    792,755.97x = 333,404,138,563.68
  5. Step 5: Solve for x
    x = 333,404,138,563.68/792,755.97
  6. Step 6: Final answer
    x = 420,563.39

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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.