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Finding the Fourth Proportional to 872,560.92, 1,308,841.76 and 273,568.79

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Solution

The fourth proportional to 872,560.92, 1,308,841.76 and 273,568.79 is: 410,353.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,560.92 : 1,308,841.76 = 273,568.79 : x
  2. Step 2: Convert to fraction form
    872,560.92/1,308,841.76 = 273,568.79/x
  3. Step 3: Cross multiply
    872,560.92x = 1,308,841.76 × 273,568.79
  4. Step 4: Simplify right side
    872,560.92x = 358,058,250,724.38
  5. Step 5: Solve for x
    x = 358,058,250,724.38/872,560.92
  6. Step 6: Final answer
    x = 410,353.30

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1.5x scale

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.