Home / 729,423.80-1,093,617.30-330,255.80

Finding the Fourth Proportional to 729,423.80, 1,093,617.30 and 330,255.80

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Solution

The fourth proportional to 729,423.80, 1,093,617.30 and 330,255.80 is: 495,148.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,423.80 : 1,093,617.30 = 330,255.80 : x
  2. Step 2: Convert to fraction form
    729,423.80/1,093,617.30 = 330,255.80/x
  3. Step 3: Cross multiply
    729,423.80x = 1,093,617.30 × 330,255.80
  4. Step 4: Simplify right side
    729,423.80x = 361,173,456,305.34
  5. Step 5: Solve for x
    x = 361,173,456,305.34/729,423.80
  6. Step 6: Final answer
    x = 495,148.99

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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.