Home / 987,546.80-1,481,320.20-356,481.20

Finding the Fourth Proportional to 987,546.80, 1,481,320.20 and 356,481.20

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Solution

The fourth proportional to 987,546.80, 1,481,320.20 and 356,481.20 is: 534,721.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,546.80 : 1,481,320.20 = 356,481.20 : x
  2. Step 2: Convert to fraction form
    987,546.80/1,481,320.20 = 356,481.20/x
  3. Step 3: Cross multiply
    987,546.80x = 1,481,320.20 × 356,481.20
  4. Step 4: Simplify right side
    987,546.80x = 528,062,802,480.24
  5. Step 5: Solve for x
    x = 528,062,802,480.24/987,546.80
  6. Step 6: Final answer
    x = 534,721.80

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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.