Home / 872,954.38-1,309,486.91-273,939.18

Finding the Fourth Proportional to 872,954.38, 1,309,486.91 and 273,939.18

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Solution

The fourth proportional to 872,954.38, 1,309,486.91 and 273,939.18 is: 410,926.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,954.38 : 1,309,486.91 = 273,939.18 : x
  2. Step 2: Convert to fraction form
    872,954.38/1,309,486.91 = 273,939.18/x
  3. Step 3: Cross multiply
    872,954.38x = 1,309,486.91 × 273,939.18
  4. Step 4: Simplify right side
    872,954.38x = 358,719,765,606.77
  5. Step 5: Solve for x
    x = 358,719,765,606.77/872,954.38
  6. Step 6: Final answer
    x = 410,926.13

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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.