Home / 729,240.79-1,093,861.19-196,761.82

Finding the Fourth Proportional to 729,240.79, 1,093,861.19 and 196,761.82

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Solution

The fourth proportional to 729,240.79, 1,093,861.19 and 196,761.82 is: 295,142.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,240.79 : 1,093,861.19 = 196,761.82 : x
  2. Step 2: Convert to fraction form
    729,240.79/1,093,861.19 = 196,761.82/x
  3. Step 3: Cross multiply
    729,240.79x = 1,093,861.19 × 196,761.82
  4. Step 4: Simplify right side
    729,240.79x = 215,230,118,571.77
  5. Step 5: Solve for x
    x = 215,230,118,571.77/729,240.79
  6. Step 6: Final answer
    x = 295,142.73

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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.