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Finding the Fourth Proportional to 978,859.80, 1,468,824.66 and 379,844.52

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Solution

The fourth proportional to 978,859.80, 1,468,824.66 and 379,844.52 is: 569,974.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,859.80 : 1,468,824.66 = 379,844.52 : x
  2. Step 2: Convert to fraction form
    978,859.80/1,468,824.66 = 379,844.52/x
  3. Step 3: Cross multiply
    978,859.80x = 1,468,824.66 × 379,844.52
  4. Step 4: Simplify right side
    978,859.80x = 557,924,997,941.86
  5. Step 5: Solve for x
    x = 557,924,997,941.86/978,859.80
  6. Step 6: Final answer
    x = 569,974.37

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