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Finding the Fourth Proportional to 505,091.64, 697,278.78 and 314,166.36

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Solution

The fourth proportional to 505,091.64, 697,278.78 and 314,166.36 is: 433,706.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,091.64 : 697,278.78 = 314,166.36 : x
  2. Step 2: Convert to fraction form
    505,091.64/697,278.78 = 314,166.36/x
  3. Step 3: Cross multiply
    505,091.64x = 697,278.78 × 314,166.36
  4. Step 4: Simplify right side
    505,091.64x = 219,061,536,217.84
  5. Step 5: Solve for x
    x = 219,061,536,217.84/505,091.64
  6. Step 6: Final answer
    x = 433,706.52

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