Home / 791,175.16-1,185,968.94-392,105.80

Finding the Fourth Proportional to 791,175.16, 1,185,968.94 and 392,105.80

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Solution

The fourth proportional to 791,175.16, 1,185,968.94 and 392,105.80 is: 587,765.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,175.16 : 1,185,968.94 = 392,105.80 : x
  2. Step 2: Convert to fraction form
    791,175.16/1,185,968.94 = 392,105.80/x
  3. Step 3: Cross multiply
    791,175.16x = 1,185,968.94 × 392,105.80
  4. Step 4: Simplify right side
    791,175.16x = 465,025,299,993.85
  5. Step 5: Solve for x
    x = 465,025,299,993.85/791,175.16
  6. Step 6: Final answer
    x = 587,765.29

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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.