Home / 785,290.24-1,178,046.72-252,687.52

Finding the Fourth Proportional to 785,290.24, 1,178,046.72 and 252,687.52

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Solution

The fourth proportional to 785,290.24, 1,178,046.72 and 252,687.52 is: 379,067.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,290.24 : 1,178,046.72 = 252,687.52 : x
  2. Step 2: Convert to fraction form
    785,290.24/1,178,046.72 = 252,687.52/x
  3. Step 3: Cross multiply
    785,290.24x = 1,178,046.72 × 252,687.52
  4. Step 4: Simplify right side
    785,290.24x = 297,677,704,120.93
  5. Step 5: Solve for x
    x = 297,677,704,120.93/785,290.24
  6. Step 6: Final answer
    x = 379,067.11

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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.