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Finding the Fourth Proportional to 643,703.40, 966,015.90 and 362,922.60

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Solution

The fourth proportional to 643,703.40, 966,015.90 and 362,922.60 is: 544,643.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,703.40 : 966,015.90 = 362,922.60 : x
  2. Step 2: Convert to fraction form
    643,703.40/966,015.90 = 362,922.60/x
  3. Step 3: Cross multiply
    643,703.40x = 966,015.90 × 362,922.60
  4. Step 4: Simplify right side
    643,703.40x = 350,589,002,069.34
  5. Step 5: Solve for x
    x = 350,589,002,069.34/643,703.40
  6. Step 6: Final answer
    x = 544,643.70

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