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Finding the Fourth Proportional to 978,767.70, 1,468,078.65 and 410,001.90

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Solution

The fourth proportional to 978,767.70, 1,468,078.65 and 410,001.90 is: 614,972.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,767.70 : 1,468,078.65 = 410,001.90 : x
  2. Step 2: Convert to fraction form
    978,767.70/1,468,078.65 = 410,001.90/x
  3. Step 3: Cross multiply
    978,767.70x = 1,468,078.65 × 410,001.90
  4. Step 4: Simplify right side
    978,767.70x = 601,915,035,849.44
  5. Step 5: Solve for x
    x = 601,915,035,849.44/978,767.70
  6. Step 6: Final answer
    x = 614,972.31

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