Home / 729,134.44-1,093,754.21-279,855.31

Finding the Fourth Proportional to 729,134.44, 1,093,754.21 and 279,855.31

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Solution

The fourth proportional to 729,134.44, 1,093,754.21 and 279,855.31 is: 419,803.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,134.44 : 1,093,754.21 = 279,855.31 : x
  2. Step 2: Convert to fraction form
    729,134.44/1,093,754.21 = 279,855.31/x
  3. Step 3: Cross multiply
    729,134.44x = 1,093,754.21 × 279,855.31
  4. Step 4: Simplify right side
    729,134.44x = 306,092,919,369.69
  5. Step 5: Solve for x
    x = 306,092,919,369.69/729,134.44
  6. Step 6: Final answer
    x = 419,803.13

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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.