Home / 729,020.80-1,093,531.20-255,644.65

Finding the Fourth Proportional to 729,020.80, 1,093,531.20 and 255,644.65

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Solution

The fourth proportional to 729,020.80, 1,093,531.20 and 255,644.65 is: 383,466.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,020.80 : 1,093,531.20 = 255,644.65 : x
  2. Step 2: Convert to fraction form
    729,020.80/1,093,531.20 = 255,644.65/x
  3. Step 3: Cross multiply
    729,020.80x = 1,093,531.20 × 255,644.65
  4. Step 4: Simplify right side
    729,020.80x = 279,555,400,888.08
  5. Step 5: Solve for x
    x = 279,555,400,888.08/729,020.80
  6. Step 6: Final answer
    x = 383,466.98

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Double scale
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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.