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Finding the Fourth Proportional to 407,862.43, 562,917.56 and 339,771.55

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Solution

The fourth proportional to 407,862.43, 562,917.56 and 339,771.55 is: 468,940.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,862.43 : 562,917.56 = 339,771.55 : x
  2. Step 2: Convert to fraction form
    407,862.43/562,917.56 = 339,771.55/x
  3. Step 3: Cross multiply
    407,862.43x = 562,917.56 × 339,771.55
  4. Step 4: Simplify right side
    407,862.43x = 191,263,371,883.42
  5. Step 5: Solve for x
    x = 191,263,371,883.42/407,862.43
  6. Step 6: Final answer
    x = 468,940.89

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