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Finding the Fourth Proportional to 643,459.06, 965,363.55 and 222,767.74

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Solution

The fourth proportional to 643,459.06, 965,363.55 and 222,767.74 is: 334,212.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,459.06 : 965,363.55 = 222,767.74 : x
  2. Step 2: Convert to fraction form
    643,459.06/965,363.55 = 222,767.74/x
  3. Step 3: Cross multiply
    643,459.06x = 965,363.55 × 222,767.74
  4. Step 4: Simplify right side
    643,459.06x = 215,051,856,311.88
  5. Step 5: Solve for x
    x = 215,051,856,311.88/643,459.06
  6. Step 6: Final answer
    x = 334,212.18

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