Home / 979,345.80-1,468,932.30-269,310.60

Finding the Fourth Proportional to 979,345.80, 1,468,932.30 and 269,310.60

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Solution

The fourth proportional to 979,345.80, 1,468,932.30 and 269,310.60 is: 403,942.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,345.80 : 1,468,932.30 = 269,310.60 : x
  2. Step 2: Convert to fraction form
    979,345.80/1,468,932.30 = 269,310.60/x
  3. Step 3: Cross multiply
    979,345.80x = 1,468,932.30 × 269,310.60
  4. Step 4: Simplify right side
    979,345.80x = 395,599,039,072.38
  5. Step 5: Solve for x
    x = 395,599,039,072.38/979,345.80
  6. Step 6: Final answer
    x = 403,942.14

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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.