Home / 863,947.73-1,192,248.38-481,974.51

Finding the Fourth Proportional to 863,947.73, 1,192,248.38 and 481,974.51

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Solution

The fourth proportional to 863,947.73, 1,192,248.38 and 481,974.51 is: 665,125.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,947.73 : 1,192,248.38 = 481,974.51 : x
  2. Step 2: Convert to fraction form
    863,947.73/1,192,248.38 = 481,974.51/x
  3. Step 3: Cross multiply
    863,947.73x = 1,192,248.38 × 481,974.51
  4. Step 4: Simplify right side
    863,947.73x = 574,633,328,748.79
  5. Step 5: Solve for x
    x = 574,633,328,748.79/863,947.73
  6. Step 6: Final answer
    x = 665,125.11

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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.