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Finding the Fourth Proportional to 689,662.23, 951,591.29 and 403,126.89

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Solution

The fourth proportional to 689,662.23, 951,591.29 and 403,126.89 is: 556,231.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,662.23 : 951,591.29 = 403,126.89 : x
  2. Step 2: Convert to fraction form
    689,662.23/951,591.29 = 403,126.89/x
  3. Step 3: Cross multiply
    689,662.23x = 951,591.29 × 403,126.89
  4. Step 4: Simplify right side
    689,662.23x = 383,612,035,273.15
  5. Step 5: Solve for x
    x = 383,612,035,273.15/689,662.23
  6. Step 6: Final answer
    x = 556,231.76

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