Home / 872,954.82-1,309,487.57-273,939.61

Finding the Fourth Proportional to 872,954.82, 1,309,487.57 and 273,939.61

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Solution

The fourth proportional to 872,954.82, 1,309,487.57 and 273,939.61 is: 410,926.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,954.82 : 1,309,487.57 = 273,939.61 : x
  2. Step 2: Convert to fraction form
    872,954.82/1,309,487.57 = 273,939.61/x
  3. Step 3: Cross multiply
    872,954.82x = 1,309,487.57 × 273,939.61
  4. Step 4: Simplify right side
    872,954.82x = 358,720,514,225.65
  5. Step 5: Solve for x
    x = 358,720,514,225.65/872,954.82
  6. Step 6: Final answer
    x = 410,926.78

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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.