Home / 863,974.80-1,192,262.22-481,991.76

Finding the Fourth Proportional to 863,974.80, 1,192,262.22 and 481,991.76

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Solution

The fourth proportional to 863,974.80, 1,192,262.22 and 481,991.76 is: 665,135.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,974.80 : 1,192,262.22 = 481,991.76 : x
  2. Step 2: Convert to fraction form
    863,974.80/1,192,262.22 = 481,991.76/x
  3. Step 3: Cross multiply
    863,974.80x = 1,192,262.22 × 481,991.76
  4. Step 4: Simplify right side
    863,974.80x = 574,660,565,799.31
  5. Step 5: Solve for x
    x = 574,660,565,799.31/863,974.80
  6. Step 6: Final answer
    x = 665,135.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.