Home / 821,717.20-1,232,575.82-222,678.34

Finding the Fourth Proportional to 821,717.20, 1,232,575.82 and 222,678.34

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Solution

The fourth proportional to 821,717.20, 1,232,575.82 and 222,678.34 is: 334,017.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,717.20 : 1,232,575.82 = 222,678.34 : x
  2. Step 2: Convert to fraction form
    821,717.20/1,232,575.82 = 222,678.34/x
  3. Step 3: Cross multiply
    821,717.20x = 1,232,575.82 × 222,678.34
  4. Step 4: Simplify right side
    821,717.20x = 274,467,935,414.52
  5. Step 5: Solve for x
    x = 274,467,935,414.52/821,717.20
  6. Step 6: Final answer
    x = 334,017.51

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1.5x scale

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.