Home / 863,954.70-1,192,257.96-481,981.50

Finding the Fourth Proportional to 863,954.70, 1,192,257.96 and 481,981.50

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Solution

The fourth proportional to 863,954.70, 1,192,257.96 and 481,981.50 is: 665,134.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,954.70 : 1,192,257.96 = 481,981.50 : x
  2. Step 2: Convert to fraction form
    863,954.70/1,192,257.96 = 481,981.50/x
  3. Step 3: Cross multiply
    863,954.70x = 1,192,257.96 × 481,981.50
  4. Step 4: Simplify right side
    863,954.70x = 574,646,279,947.74
  5. Step 5: Solve for x
    x = 574,646,279,947.74/863,954.70
  6. Step 6: Final answer
    x = 665,134.73

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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.