Home / 872,962.87-1,309,499.63-273,947.68

Finding the Fourth Proportional to 872,962.87, 1,309,499.63 and 273,947.68

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Solution

The fourth proportional to 872,962.87, 1,309,499.63 and 273,947.68 is: 410,938.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,962.87 : 1,309,499.63 = 273,947.68 : x
  2. Step 2: Convert to fraction form
    872,962.87/1,309,499.63 = 273,947.68/x
  3. Step 3: Cross multiply
    872,962.87x = 1,309,499.63 × 273,947.68
  4. Step 4: Simplify right side
    872,962.87x = 358,734,384,229.62
  5. Step 5: Solve for x
    x = 358,734,384,229.62/872,962.87
  6. Step 6: Final answer
    x = 410,938.88

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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.