Home / 791,949.72-1,092,877.20-447,780.33

Finding the Fourth Proportional to 791,949.72, 1,092,877.20 and 447,780.33

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Solution

The fourth proportional to 791,949.72, 1,092,877.20 and 447,780.33 is: 617,929.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,949.72 : 1,092,877.20 = 447,780.33 : x
  2. Step 2: Convert to fraction form
    791,949.72/1,092,877.20 = 447,780.33/x
  3. Step 3: Cross multiply
    791,949.72x = 1,092,877.20 × 447,780.33
  4. Step 4: Simplify right side
    791,949.72x = 489,368,913,265.48
  5. Step 5: Solve for x
    x = 489,368,913,265.48/791,949.72
  6. Step 6: Final answer
    x = 617,929.27

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1.5x scale

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.