Home / 815,268.28-1,222,508.76-341,826.52

Finding the Fourth Proportional to 815,268.28, 1,222,508.76 and 341,826.52

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Solution

The fourth proportional to 815,268.28, 1,222,508.76 and 341,826.52 is: 512,574.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,268.28 : 1,222,508.76 = 341,826.52 : x
  2. Step 2: Convert to fraction form
    815,268.28/1,222,508.76 = 341,826.52/x
  3. Step 3: Cross multiply
    815,268.28x = 1,222,508.76 × 341,826.52
  4. Step 4: Simplify right side
    815,268.28x = 417,885,915,100.32
  5. Step 5: Solve for x
    x = 417,885,915,100.32/815,268.28
  6. Step 6: Final answer
    x = 512,574.73

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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.