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Finding the Fourth Proportional to 472,890.33, 709,656.80 and 192,458.61

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Solution

The fourth proportional to 472,890.33, 709,656.80 and 192,458.61 is: 288,818.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,890.33 : 709,656.80 = 192,458.61 : x
  2. Step 2: Convert to fraction form
    472,890.33/709,656.80 = 192,458.61/x
  3. Step 3: Cross multiply
    472,890.33x = 709,656.80 × 192,458.61
  4. Step 4: Simplify right side
    472,890.33x = 136,579,560,342.76
  5. Step 5: Solve for x
    x = 136,579,560,342.76/472,890.33
  6. Step 6: Final answer
    x = 288,818.68

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