Home / 778,006.32-1,166,542.92-356,754.48

Finding the Fourth Proportional to 778,006.32, 1,166,542.92 and 356,754.48

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Solution

The fourth proportional to 778,006.32, 1,166,542.92 and 356,754.48 is: 534,917.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,006.32 : 1,166,542.92 = 356,754.48 : x
  2. Step 2: Convert to fraction form
    778,006.32/1,166,542.92 = 356,754.48/x
  3. Step 3: Cross multiply
    778,006.32x = 1,166,542.92 × 356,754.48
  4. Step 4: Simplify right side
    778,006.32x = 416,169,412,822.28
  5. Step 5: Solve for x
    x = 416,169,412,822.28/778,006.32
  6. Step 6: Final answer
    x = 534,917.78

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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.