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Finding the Fourth Proportional to 503,254.73, 694,510.64 and 288,436.25

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Solution

The fourth proportional to 503,254.73, 694,510.64 and 288,436.25 is: 398,052.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,254.73 : 694,510.64 = 288,436.25 : x
  2. Step 2: Convert to fraction form
    503,254.73/694,510.64 = 288,436.25/x
  3. Step 3: Cross multiply
    503,254.73x = 694,510.64 × 288,436.25
  4. Step 4: Simplify right side
    503,254.73x = 200,322,039,671.97
  5. Step 5: Solve for x
    x = 200,322,039,671.97/503,254.73
  6. Step 6: Final answer
    x = 398,052.97

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