Home / 729,568.80-1,093,834.80-330,400.80

Finding the Fourth Proportional to 729,568.80, 1,093,834.80 and 330,400.80

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Solution

The fourth proportional to 729,568.80, 1,093,834.80 and 330,400.80 is: 495,366.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,568.80 : 1,093,834.80 = 330,400.80 : x
  2. Step 2: Convert to fraction form
    729,568.80/1,093,834.80 = 330,400.80/x
  3. Step 3: Cross multiply
    729,568.80x = 1,093,834.80 × 330,400.80
  4. Step 4: Simplify right side
    729,568.80x = 361,403,892,987.84
  5. Step 5: Solve for x
    x = 361,403,892,987.84/729,568.80
  6. Step 6: Final answer
    x = 495,366.43

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1.5x scale

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.