Home / 389,110.20-582,743.70-263,772.60

Finding the Fourth Proportional to 389,110.20, 582,743.70 and 263,772.60

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Solution

The fourth proportional to 389,110.20, 582,743.70 and 263,772.60 is: 395,034.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,110.20 : 582,743.70 = 263,772.60 : x
  2. Step 2: Convert to fraction form
    389,110.20/582,743.70 = 263,772.60/x
  3. Step 3: Cross multiply
    389,110.20x = 582,743.70 × 263,772.60
  4. Step 4: Simplify right side
    389,110.20x = 153,711,820,882.62
  5. Step 5: Solve for x
    x = 153,711,820,882.62/389,110.20
  6. Step 6: Final answer
    x = 395,034.16

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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.