Home / 777,747.77-1,073,177.22-451,046.82

Finding the Fourth Proportional to 777,747.77, 1,073,177.22 and 451,046.82

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Solution

The fourth proportional to 777,747.77, 1,073,177.22 and 451,046.82 is: 622,378.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,747.77 : 1,073,177.22 = 451,046.82 : x
  2. Step 2: Convert to fraction form
    777,747.77/1,073,177.22 = 451,046.82/x
  3. Step 3: Cross multiply
    777,747.77x = 1,073,177.22 × 451,046.82
  4. Step 4: Simplify right side
    777,747.77x = 484,053,172,377.44
  5. Step 5: Solve for x
    x = 484,053,172,377.44/777,747.77
  6. Step 6: Final answer
    x = 622,378.10

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1.5x scale

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.