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Finding the Fourth Proportional to 504,438.93, 696,121.16 and 278,084.43

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Solution

The fourth proportional to 504,438.93, 696,121.16 and 278,084.43 is: 383,753.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,438.93 : 696,121.16 = 278,084.43 : x
  2. Step 2: Convert to fraction form
    504,438.93/696,121.16 = 278,084.43/x
  3. Step 3: Cross multiply
    504,438.93x = 696,121.16 × 278,084.43
  4. Step 4: Simplify right side
    504,438.93x = 193,580,454,599.12
  5. Step 5: Solve for x
    x = 193,580,454,599.12/504,438.93
  6. Step 6: Final answer
    x = 383,753.99

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