Home / 867,919.44-1,300,960.60-394,936.96

Finding the Fourth Proportional to 867,919.44, 1,300,960.60 and 394,936.96

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Solution

The fourth proportional to 867,919.44, 1,300,960.60 and 394,936.96 is: 591,987.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,919.44 : 1,300,960.60 = 394,936.96 : x
  2. Step 2: Convert to fraction form
    867,919.44/1,300,960.60 = 394,936.96/x
  3. Step 3: Cross multiply
    867,919.44x = 1,300,960.60 × 394,936.96
  4. Step 4: Simplify right side
    867,919.44x = 513,797,424,443.78
  5. Step 5: Solve for x
    x = 513,797,424,443.78/867,919.44
  6. Step 6: Final answer
    x = 591,987.46

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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.