Home / 756,956.44-1,044,591.54-412,791.28

Finding the Fourth Proportional to 756,956.44, 1,044,591.54 and 412,791.28

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Solution

The fourth proportional to 756,956.44, 1,044,591.54 and 412,791.28 is: 569,647.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,956.44 : 1,044,591.54 = 412,791.28 : x
  2. Step 2: Convert to fraction form
    756,956.44/1,044,591.54 = 412,791.28/x
  3. Step 3: Cross multiply
    756,956.44x = 1,044,591.54 × 412,791.28
  4. Step 4: Simplify right side
    756,956.44x = 431,198,278,873.77
  5. Step 5: Solve for x
    x = 431,198,278,873.77/756,956.44
  6. Step 6: Final answer
    x = 569,647.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.