Home / 814,492.48-1,222,215.00-341,138.20

Finding the Fourth Proportional to 814,492.48, 1,222,215.00 and 341,138.20

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Solution

The fourth proportional to 814,492.48, 1,222,215.00 and 341,138.20 is: 511,906.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,492.48 : 1,222,215.00 = 341,138.20 : x
  2. Step 2: Convert to fraction form
    814,492.48/1,222,215.00 = 341,138.20/x
  3. Step 3: Cross multiply
    814,492.48x = 1,222,215.00 × 341,138.20
  4. Step 4: Simplify right side
    814,492.48x = 416,944,217,296.23
  5. Step 5: Solve for x
    x = 416,944,217,296.23/814,492.48
  6. Step 6: Final answer
    x = 511,906.78

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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.