Home / 825,773.88-1,238,363.82-285,883.56

Finding the Fourth Proportional to 825,773.88, 1,238,363.82 and 285,883.56

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Solution

The fourth proportional to 825,773.88, 1,238,363.82 and 285,883.56 is: 428,722.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,773.88 : 1,238,363.82 = 285,883.56 : x
  2. Step 2: Convert to fraction form
    825,773.88/1,238,363.82 = 285,883.56/x
  3. Step 3: Cross multiply
    825,773.88x = 1,238,363.82 × 285,883.56
  4. Step 4: Simplify right side
    825,773.88x = 354,027,857,436.80
  5. Step 5: Solve for x
    x = 354,027,857,436.80/825,773.88
  6. Step 6: Final answer
    x = 428,722.52

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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.