Home / 821,721.49-1,232,582.24-222,682.61

Finding the Fourth Proportional to 821,721.49, 1,232,582.24 and 222,682.61

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Solution

The fourth proportional to 821,721.49, 1,232,582.24 and 222,682.61 is: 334,023.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,721.49 : 1,232,582.24 = 222,682.61 : x
  2. Step 2: Convert to fraction form
    821,721.49/1,232,582.24 = 222,682.61/x
  3. Step 3: Cross multiply
    821,721.49x = 1,232,582.24 × 222,682.61
  4. Step 4: Simplify right side
    821,721.49x = 274,474,629,129.43
  5. Step 5: Solve for x
    x = 274,474,629,129.43/821,721.49
  6. Step 6: Final answer
    x = 334,023.92

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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.