Home / 729,009.80-1,093,514.70-410,145.20

Finding the Fourth Proportional to 729,009.80, 1,093,514.70 and 410,145.20

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Solution

The fourth proportional to 729,009.80, 1,093,514.70 and 410,145.20 is: 615,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,009.80 : 1,093,514.70 = 410,145.20 : x
  2. Step 2: Convert to fraction form
    729,009.80/1,093,514.70 = 410,145.20/x
  3. Step 3: Cross multiply
    729,009.80x = 1,093,514.70 × 410,145.20
  4. Step 4: Simplify right side
    729,009.80x = 448,499,805,334.44
  5. Step 5: Solve for x
    x = 448,499,805,334.44/729,009.80
  6. Step 6: Final answer
    x = 615,217.80

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Similar ratio
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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.