Home / 791,836.92-1,092,478.05-447,639.57

Finding the Fourth Proportional to 791,836.92, 1,092,478.05 and 447,639.57

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Solution

The fourth proportional to 791,836.92, 1,092,478.05 and 447,639.57 is: 617,597.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,836.92 : 1,092,478.05 = 447,639.57 : x
  2. Step 2: Convert to fraction form
    791,836.92/1,092,478.05 = 447,639.57/x
  3. Step 3: Cross multiply
    791,836.92x = 1,092,478.05 × 447,639.57
  4. Step 4: Simplify right side
    791,836.92x = 489,036,404,536.44
  5. Step 5: Solve for x
    x = 489,036,404,536.44/791,836.92
  6. Step 6: Final answer
    x = 617,597.38

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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.