Home / 791,947.30-1,092,908.79-447,834.71

Finding the Fourth Proportional to 791,947.30, 1,092,908.79 and 447,834.71

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Solution

The fourth proportional to 791,947.30, 1,092,908.79 and 447,834.71 is: 618,024.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,947.30 : 1,092,908.79 = 447,834.71 : x
  2. Step 2: Convert to fraction form
    791,947.30/1,092,908.79 = 447,834.71/x
  3. Step 3: Cross multiply
    791,947.30x = 1,092,908.79 × 447,834.71
  4. Step 4: Simplify right side
    791,947.30x = 489,442,486,351.23
  5. Step 5: Solve for x
    x = 489,442,486,351.23/791,947.30
  6. Step 6: Final answer
    x = 618,024.06

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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.