Home / 987,351.44-1,481,562.98-419,052.20

Finding the Fourth Proportional to 987,351.44, 1,481,562.98 and 419,052.20

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Solution

The fourth proportional to 987,351.44, 1,481,562.98 and 419,052.20 is: 628,805.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,351.44 : 1,481,562.98 = 419,052.20 : x
  2. Step 2: Convert to fraction form
    987,351.44/1,481,562.98 = 419,052.20/x
  3. Step 3: Cross multiply
    987,351.44x = 1,481,562.98 × 419,052.20
  4. Step 4: Simplify right side
    987,351.44x = 620,852,224,112.30
  5. Step 5: Solve for x
    x = 620,852,224,112.30/987,351.44
  6. Step 6: Final answer
    x = 628,805.71

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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.