Home / 872,960.61-1,309,496.25-273,945.42

Finding the Fourth Proportional to 872,960.61, 1,309,496.25 and 273,945.42

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Solution

The fourth proportional to 872,960.61, 1,309,496.25 and 273,945.42 is: 410,935.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,960.61 : 1,309,496.25 = 273,945.42 : x
  2. Step 2: Convert to fraction form
    872,960.61/1,309,496.25 = 273,945.42/x
  3. Step 3: Cross multiply
    872,960.61x = 1,309,496.25 × 273,945.42
  4. Step 4: Simplify right side
    872,960.61x = 358,730,500,194.68
  5. Step 5: Solve for x
    x = 358,730,500,194.68/872,960.61
  6. Step 6: Final answer
    x = 410,935.49

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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.