Home / 781,926.83-1,172,986.83-276,383.56

Finding the Fourth Proportional to 781,926.83, 1,172,986.83 and 276,383.56

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Solution

The fourth proportional to 781,926.83, 1,172,986.83 and 276,383.56 is: 414,609.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,926.83 : 1,172,986.83 = 276,383.56 : x
  2. Step 2: Convert to fraction form
    781,926.83/1,172,986.83 = 276,383.56/x
  3. Step 3: Cross multiply
    781,926.83x = 1,172,986.83 × 276,383.56
  4. Step 4: Simplify right side
    781,926.83x = 324,194,275,908.52
  5. Step 5: Solve for x
    x = 324,194,275,908.52/781,926.83
  6. Step 6: Final answer
    x = 414,609.48

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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.