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Finding the Fourth Proportional to 628,908.60, 943,319.70 and 202,438.20

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Solution

The fourth proportional to 628,908.60, 943,319.70 and 202,438.20 is: 303,643.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,908.60 : 943,319.70 = 202,438.20 : x
  2. Step 2: Convert to fraction form
    628,908.60/943,319.70 = 202,438.20/x
  3. Step 3: Cross multiply
    628,908.60x = 943,319.70 × 202,438.20
  4. Step 4: Simplify right side
    628,908.60x = 190,963,942,092.54
  5. Step 5: Solve for x
    x = 190,963,942,092.54/628,908.60
  6. Step 6: Final answer
    x = 303,643.39

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