Home / 729,135.38-1,093,755.62-279,856.25

Finding the Fourth Proportional to 729,135.38, 1,093,755.62 and 279,856.25

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Solution

The fourth proportional to 729,135.38, 1,093,755.62 and 279,856.25 is: 419,804.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,135.38 : 1,093,755.62 = 279,856.25 : x
  2. Step 2: Convert to fraction form
    729,135.38/1,093,755.62 = 279,856.25/x
  3. Step 3: Cross multiply
    729,135.38x = 1,093,755.62 × 279,856.25
  4. Step 4: Simplify right side
    729,135.38x = 306,094,339,361.57
  5. Step 5: Solve for x
    x = 306,094,339,361.57/729,135.38
  6. Step 6: Final answer
    x = 419,804.54

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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.