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Finding the Fourth Proportional to 622,136.40, 933,204.60 and 172,856.40

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Solution

The fourth proportional to 622,136.40, 933,204.60 and 172,856.40 is: 259,284.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,136.40 : 933,204.60 = 172,856.40 : x
  2. Step 2: Convert to fraction form
    622,136.40/933,204.60 = 172,856.40/x
  3. Step 3: Cross multiply
    622,136.40x = 933,204.60 × 172,856.40
  4. Step 4: Simplify right side
    622,136.40x = 161,310,387,619.44
  5. Step 5: Solve for x
    x = 161,310,387,619.44/622,136.40
  6. Step 6: Final answer
    x = 259,284.60

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