Home / 737,578.20-1,103,742.90-511,879.80

Finding the Fourth Proportional to 737,578.20, 1,103,742.90 and 511,879.80

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Solution

The fourth proportional to 737,578.20, 1,103,742.90 and 511,879.80 is: 765,998.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,578.20 : 1,103,742.90 = 511,879.80 : x
  2. Step 2: Convert to fraction form
    737,578.20/1,103,742.90 = 511,879.80/x
  3. Step 3: Cross multiply
    737,578.20x = 1,103,742.90 × 511,879.80
  4. Step 4: Simplify right side
    737,578.20x = 564,983,694,903.42
  5. Step 5: Solve for x
    x = 564,983,694,903.42/737,578.20
  6. Step 6: Final answer
    x = 765,998.36

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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.