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Finding the Fourth Proportional to 682,863.92, 942,352.38 and 376,940.48

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Solution

The fourth proportional to 682,863.92, 942,352.38 and 376,940.48 is: 520,177.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,863.92 : 942,352.38 = 376,940.48 : x
  2. Step 2: Convert to fraction form
    682,863.92/942,352.38 = 376,940.48/x
  3. Step 3: Cross multiply
    682,863.92x = 942,352.38 × 376,940.48
  4. Step 4: Simplify right side
    682,863.92x = 355,210,753,734.58
  5. Step 5: Solve for x
    x = 355,210,753,734.58/682,863.92
  6. Step 6: Final answer
    x = 520,177.95

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.