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Finding the Fourth Proportional to 472,891.60, 709,337.40 and 192,264.40

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Solution

The fourth proportional to 472,891.60, 709,337.40 and 192,264.40 is: 288,396.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,891.60 : 709,337.40 = 192,264.40 : x
  2. Step 2: Convert to fraction form
    472,891.60/709,337.40 = 192,264.40/x
  3. Step 3: Cross multiply
    472,891.60x = 709,337.40 × 192,264.40
  4. Step 4: Simplify right side
    472,891.60x = 136,380,329,608.56
  5. Step 5: Solve for x
    x = 136,380,329,608.56/472,891.60
  6. Step 6: Final answer
    x = 288,396.60

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