Home / 741,610.38-1,112,413.41-641,472.78

Finding the Fourth Proportional to 741,610.38, 1,112,413.41 and 641,472.78

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Solution

The fourth proportional to 741,610.38, 1,112,413.41 and 641,472.78 is: 962,207.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,610.38 : 1,112,413.41 = 641,472.78 : x
  2. Step 2: Convert to fraction form
    741,610.38/1,112,413.41 = 641,472.78/x
  3. Step 3: Cross multiply
    741,610.38x = 1,112,413.41 × 641,472.78
  4. Step 4: Simplify right side
    741,610.38x = 713,582,922,621.98
  5. Step 5: Solve for x
    x = 713,582,922,621.98/741,610.38
  6. Step 6: Final answer
    x = 962,207.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.