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Finding the Fourth Proportional to 694,493.15, 958,437.83 and 388,551.33

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Solution

The fourth proportional to 694,493.15, 958,437.83 and 388,551.33 is: 536,221.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,493.15 : 958,437.83 = 388,551.33 : x
  2. Step 2: Convert to fraction form
    694,493.15/958,437.83 = 388,551.33/x
  3. Step 3: Cross multiply
    694,493.15x = 958,437.83 × 388,551.33
  4. Step 4: Simplify right side
    694,493.15x = 372,402,293,568.81
  5. Step 5: Solve for x
    x = 372,402,293,568.81/694,493.15
  6. Step 6: Final answer
    x = 536,221.69

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