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Finding the Fourth Proportional to 703,604.70, 971,078.72 and 445,505.64

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Solution

The fourth proportional to 703,604.70, 971,078.72 and 445,505.64 is: 614,863.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,604.70 : 971,078.72 = 445,505.64 : x
  2. Step 2: Convert to fraction form
    703,604.70/971,078.72 = 445,505.64/x
  3. Step 3: Cross multiply
    703,604.70x = 971,078.72 × 445,505.64
  4. Step 4: Simplify right side
    703,604.70x = 432,621,046,643.98
  5. Step 5: Solve for x
    x = 432,621,046,643.98/703,604.70
  6. Step 6: Final answer
    x = 614,863.78

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