Home / 979,350.80-1,468,939.80-269,315.60

Finding the Fourth Proportional to 979,350.80, 1,468,939.80 and 269,315.60

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Solution

The fourth proportional to 979,350.80, 1,468,939.80 and 269,315.60 is: 403,949.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,350.80 : 1,468,939.80 = 269,315.60 : x
  2. Step 2: Convert to fraction form
    979,350.80/1,468,939.80 = 269,315.60/x
  3. Step 3: Cross multiply
    979,350.80x = 1,468,939.80 × 269,315.60
  4. Step 4: Simplify right side
    979,350.80x = 395,608,403,600.88
  5. Step 5: Solve for x
    x = 395,608,403,600.88/979,350.80
  6. Step 6: Final answer
    x = 403,949.64

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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.