Home / 821,770.45-1,232,655.68-222,731.61

Finding the Fourth Proportional to 821,770.45, 1,232,655.68 and 222,731.61

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Solution

The fourth proportional to 821,770.45, 1,232,655.68 and 222,731.61 is: 334,097.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,770.45 : 1,232,655.68 = 222,731.61 : x
  2. Step 2: Convert to fraction form
    821,770.45/1,232,655.68 = 222,731.61/x
  3. Step 3: Cross multiply
    821,770.45x = 1,232,655.68 × 222,731.61
  4. Step 4: Simplify right side
    821,770.45x = 274,551,384,182.05
  5. Step 5: Solve for x
    x = 274,551,384,182.05/821,770.45
  6. Step 6: Final answer
    x = 334,097.42

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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.