Home / 814,090.39-1,220,273.73-273,832.36

Finding the Fourth Proportional to 814,090.39, 1,220,273.73 and 273,832.36

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Solution

The fourth proportional to 814,090.39, 1,220,273.73 and 273,832.36 is: 410,458.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,090.39 : 1,220,273.73 = 273,832.36 : x
  2. Step 2: Convert to fraction form
    814,090.39/1,220,273.73 = 273,832.36/x
  3. Step 3: Cross multiply
    814,090.39x = 1,220,273.73 × 273,832.36
  4. Step 4: Simplify right side
    814,090.39x = 334,150,432,281.22
  5. Step 5: Solve for x
    x = 334,150,432,281.22/814,090.39
  6. Step 6: Final answer
    x = 410,458.64

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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.