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Finding the Fourth Proportional to 557,277.94, 769,052.46 and 315,553.96

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Solution

The fourth proportional to 557,277.94, 769,052.46 and 315,553.96 is: 435,469.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,277.94 : 769,052.46 = 315,553.96 : x
  2. Step 2: Convert to fraction form
    557,277.94/769,052.46 = 315,553.96/x
  3. Step 3: Cross multiply
    557,277.94x = 769,052.46 × 315,553.96
  4. Step 4: Simplify right side
    557,277.94x = 242,677,549,200.74
  5. Step 5: Solve for x
    x = 242,677,549,200.74/557,277.94
  6. Step 6: Final answer
    x = 435,469.51

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