Home / 388,982.20-582,551.70-263,644.60

Finding the Fourth Proportional to 388,982.20, 582,551.70 and 263,644.60

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Solution

The fourth proportional to 388,982.20, 582,551.70 and 263,644.60 is: 394,842.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,982.20 : 582,551.70 = 263,644.60 : x
  2. Step 2: Convert to fraction form
    388,982.20/582,551.70 = 263,644.60/x
  3. Step 3: Cross multiply
    388,982.20x = 582,551.70 × 263,644.60
  4. Step 4: Simplify right side
    388,982.20x = 153,586,609,925.82
  5. Step 5: Solve for x
    x = 153,586,609,925.82/388,982.20
  6. Step 6: Final answer
    x = 394,842.26

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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.