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Finding the Fourth Proportional to 482,045.80, 723,064.92 and 145,085

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Solution

The fourth proportional to 482,045.80, 723,064.92 and 145,085 is: 217,626.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,045.80 : 723,064.92 = 145,085 : x
  2. Step 2: Convert to fraction form
    482,045.80/723,064.92 = 145,085/x
  3. Step 3: Cross multiply
    482,045.80x = 723,064.92 × 145,085
  4. Step 4: Simplify right side
    482,045.80x = 104,905,873,918.20
  5. Step 5: Solve for x
    x = 104,905,873,918.20/482,045.80
  6. Step 6: Final answer
    x = 217,626.36

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