Home / 856,372.64-1,181,920.11-493,725.61

Finding the Fourth Proportional to 856,372.64, 1,181,920.11 and 493,725.61

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Solution

The fourth proportional to 856,372.64, 1,181,920.11 and 493,725.61 is: 681,413.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,372.64 : 1,181,920.11 = 493,725.61 : x
  2. Step 2: Convert to fraction form
    856,372.64/1,181,920.11 = 493,725.61/x
  3. Step 3: Cross multiply
    856,372.64x = 1,181,920.11 × 493,725.61
  4. Step 4: Simplify right side
    856,372.64x = 583,544,226,906.95
  5. Step 5: Solve for x
    x = 583,544,226,906.95/856,372.64
  6. Step 6: Final answer
    x = 681,413.91

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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.