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Finding the Fourth Proportional to 644,514.80, 966,772.20 and 364,578.80

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Solution

The fourth proportional to 644,514.80, 966,772.20 and 364,578.80 is: 546,868.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,514.80 : 966,772.20 = 364,578.80 : x
  2. Step 2: Convert to fraction form
    644,514.80/966,772.20 = 364,578.80/x
  3. Step 3: Cross multiply
    644,514.80x = 966,772.20 × 364,578.80
  4. Step 4: Simplify right side
    644,514.80x = 352,464,648,549.36
  5. Step 5: Solve for x
    x = 352,464,648,549.36/644,514.80
  6. Step 6: Final answer
    x = 546,868.20

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