Home / 719,134.38-1,078,421.31-269,610.03

Finding the Fourth Proportional to 719,134.38, 1,078,421.31 and 269,610.03

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Solution

The fourth proportional to 719,134.38, 1,078,421.31 and 269,610.03 is: 404,309.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,134.38 : 1,078,421.31 = 269,610.03 : x
  2. Step 2: Convert to fraction form
    719,134.38/1,078,421.31 = 269,610.03/x
  3. Step 3: Cross multiply
    719,134.38x = 1,078,421.31 × 269,610.03
  4. Step 4: Simplify right side
    719,134.38x = 290,753,201,741.74
  5. Step 5: Solve for x
    x = 290,753,201,741.74/719,134.38
  6. Step 6: Final answer
    x = 404,309.97

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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.