Home / 773,936.36-1,160,374.56-394,121.87

Finding the Fourth Proportional to 773,936.36, 1,160,374.56 and 394,121.87

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Solution

The fourth proportional to 773,936.36, 1,160,374.56 and 394,121.87 is: 590,912.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,936.36 : 1,160,374.56 = 394,121.87 : x
  2. Step 2: Convert to fraction form
    773,936.36/1,160,374.56 = 394,121.87/x
  3. Step 3: Cross multiply
    773,936.36x = 1,160,374.56 × 394,121.87
  4. Step 4: Simplify right side
    773,936.36x = 457,328,992,910.61
  5. Step 5: Solve for x
    x = 457,328,992,910.61/773,936.36
  6. Step 6: Final answer
    x = 590,912.92

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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.