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Finding the Fourth Proportional to 411,726.80, 617,129.40 and 175,029.20

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Solution

The fourth proportional to 411,726.80, 617,129.40 and 175,029.20 is: 262,347.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,726.80 : 617,129.40 = 175,029.20 : x
  2. Step 2: Convert to fraction form
    411,726.80/617,129.40 = 175,029.20/x
  3. Step 3: Cross multiply
    411,726.80x = 617,129.40 × 175,029.20
  4. Step 4: Simplify right side
    411,726.80x = 108,015,665,178.48
  5. Step 5: Solve for x
    x = 108,015,665,178.48/411,726.80
  6. Step 6: Final answer
    x = 262,347.91

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