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Finding the Fourth Proportional to 978,771.20, 1,468,083.90 and 410,005.40

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Solution

The fourth proportional to 978,771.20, 1,468,083.90 and 410,005.40 is: 614,977.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,771.20 : 1,468,083.90 = 410,005.40 : x
  2. Step 2: Convert to fraction form
    978,771.20/1,468,083.90 = 410,005.40/x
  3. Step 3: Cross multiply
    978,771.20x = 1,468,083.90 × 410,005.40
  4. Step 4: Simplify right side
    978,771.20x = 601,922,326,653.06
  5. Step 5: Solve for x
    x = 601,922,326,653.06/978,771.20
  6. Step 6: Final answer
    x = 614,977.56

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