Home / 872,954.94-1,309,487.75-273,939.74

Finding the Fourth Proportional to 872,954.94, 1,309,487.75 and 273,939.74

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Solution

The fourth proportional to 872,954.94, 1,309,487.75 and 273,939.74 is: 410,926.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,954.94 : 1,309,487.75 = 273,939.74 : x
  2. Step 2: Convert to fraction form
    872,954.94/1,309,487.75 = 273,939.74/x
  3. Step 3: Cross multiply
    872,954.94x = 1,309,487.75 × 273,939.74
  4. Step 4: Simplify right side
    872,954.94x = 358,720,733,329.81
  5. Step 5: Solve for x
    x = 358,720,733,329.81/872,954.94
  6. Step 6: Final answer
    x = 410,926.97

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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.