Home / 729,655.80-1,093,965.30-330,487.80

Finding the Fourth Proportional to 729,655.80, 1,093,965.30 and 330,487.80

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Solution

The fourth proportional to 729,655.80, 1,093,965.30 and 330,487.80 is: 495,496.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,655.80 : 1,093,965.30 = 330,487.80 : x
  2. Step 2: Convert to fraction form
    729,655.80/1,093,965.30 = 330,487.80/x
  3. Step 3: Cross multiply
    729,655.80x = 1,093,965.30 × 330,487.80
  4. Step 4: Simplify right side
    729,655.80x = 361,542,185,273.34
  5. Step 5: Solve for x
    x = 361,542,185,273.34/729,655.80
  6. Step 6: Final answer
    x = 495,496.90

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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.