Home / 829,965.03-1,245,261.30-324,886.98

Finding the Fourth Proportional to 829,965.03, 1,245,261.30 and 324,886.98

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Solution

The fourth proportional to 829,965.03, 1,245,261.30 and 324,886.98 is: 487,453.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,965.03 : 1,245,261.30 = 324,886.98 : x
  2. Step 2: Convert to fraction form
    829,965.03/1,245,261.30 = 324,886.98/x
  3. Step 3: Cross multiply
    829,965.03x = 1,245,261.30 × 324,886.98
  4. Step 4: Simplify right side
    829,965.03x = 404,569,183,067.87
  5. Step 5: Solve for x
    x = 404,569,183,067.87/829,965.03
  6. Step 6: Final answer
    x = 487,453.29

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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.