Home / 814,023.82-1,221,767.55-435,268.29

Finding the Fourth Proportional to 814,023.82, 1,221,767.55 and 435,268.29

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Solution

The fourth proportional to 814,023.82, 1,221,767.55 and 435,268.29 is: 653,293.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,023.82 : 1,221,767.55 = 435,268.29 : x
  2. Step 2: Convert to fraction form
    814,023.82/1,221,767.55 = 435,268.29/x
  3. Step 3: Cross multiply
    814,023.82x = 1,221,767.55 × 435,268.29
  4. Step 4: Simplify right side
    814,023.82x = 531,796,672,265.99
  5. Step 5: Solve for x
    x = 531,796,672,265.99/814,023.82
  6. Step 6: Final answer
    x = 653,293.75

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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.