Home / 814,172.68-1,220,396.55-273,914.47

Finding the Fourth Proportional to 814,172.68, 1,220,396.55 and 273,914.47

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Solution

The fourth proportional to 814,172.68, 1,220,396.55 and 273,914.47 is: 410,581.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,172.68 : 1,220,396.55 = 273,914.47 : x
  2. Step 2: Convert to fraction form
    814,172.68/1,220,396.55 = 273,914.47/x
  3. Step 3: Cross multiply
    814,172.68x = 1,220,396.55 × 273,914.47
  4. Step 4: Simplify right side
    814,172.68x = 334,284,274,183.08
  5. Step 5: Solve for x
    x = 334,284,274,183.08/814,172.68
  6. Step 6: Final answer
    x = 410,581.54

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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.