Home / 729,021.40-1,093,860.15-256,046.20

Finding the Fourth Proportional to 729,021.40, 1,093,860.15 and 256,046.20

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Solution

The fourth proportional to 729,021.40, 1,093,860.15 and 256,046.20 is: 384,184.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,021.40 : 1,093,860.15 = 256,046.20 : x
  2. Step 2: Convert to fraction form
    729,021.40/1,093,860.15 = 256,046.20/x
  3. Step 3: Cross multiply
    729,021.40x = 1,093,860.15 × 256,046.20
  4. Step 4: Simplify right side
    729,021.40x = 280,078,734,738.93
  5. Step 5: Solve for x
    x = 280,078,734,738.93/729,021.40
  6. Step 6: Final answer
    x = 384,184.52

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Similar ratio
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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.