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Finding the Fourth Proportional to 978,230.10, 1,467,345.15 and 635,745.90

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Solution

The fourth proportional to 978,230.10, 1,467,345.15 and 635,745.90 is: 953,618.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,230.10 : 1,467,345.15 = 635,745.90 : x
  2. Step 2: Convert to fraction form
    978,230.10/1,467,345.15 = 635,745.90/x
  3. Step 3: Cross multiply
    978,230.10x = 1,467,345.15 × 635,745.90
  4. Step 4: Simplify right side
    978,230.10x = 932,858,662,997.39
  5. Step 5: Solve for x
    x = 932,858,662,997.39/978,230.10
  6. Step 6: Final answer
    x = 953,618.85

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