Home / 785,853.92-1,178,789.12-629,078.96

Finding the Fourth Proportional to 785,853.92, 1,178,789.12 and 629,078.96

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Solution

The fourth proportional to 785,853.92, 1,178,789.12 and 629,078.96 is: 943,625.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,853.92 : 1,178,789.12 = 629,078.96 : x
  2. Step 2: Convert to fraction form
    785,853.92/1,178,789.12 = 629,078.96/x
  3. Step 3: Cross multiply
    785,853.92x = 1,178,789.12 × 629,078.96
  4. Step 4: Simplify right side
    785,853.92x = 741,551,424,629.58
  5. Step 5: Solve for x
    x = 741,551,424,629.58/785,853.92
  6. Step 6: Final answer
    x = 943,625.03

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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.