Home / 778,013.32-1,166,553.42-356,761.48

Finding the Fourth Proportional to 778,013.32, 1,166,553.42 and 356,761.48

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Solution

The fourth proportional to 778,013.32, 1,166,553.42 and 356,761.48 is: 534,928.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,013.32 : 1,166,553.42 = 356,761.48 : x
  2. Step 2: Convert to fraction form
    778,013.32/1,166,553.42 = 356,761.48/x
  3. Step 3: Cross multiply
    778,013.32x = 1,166,553.42 × 356,761.48
  4. Step 4: Simplify right side
    778,013.32x = 416,181,324,618.26
  5. Step 5: Solve for x
    x = 416,181,324,618.26/778,013.32
  6. Step 6: Final answer
    x = 534,928.28

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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.