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Finding the Fourth Proportional to 873,754.39, 1,310,781.03 and 400,480.30

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Solution

The fourth proportional to 873,754.39, 1,310,781.03 and 400,480.30 is: 600,788.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,754.39 : 1,310,781.03 = 400,480.30 : x
  2. Step 2: Convert to fraction form
    873,754.39/1,310,781.03 = 400,480.30/x
  3. Step 3: Cross multiply
    873,754.39x = 1,310,781.03 × 400,480.30
  4. Step 4: Simplify right side
    873,754.39x = 524,941,980,128.71
  5. Step 5: Solve for x
    x = 524,941,980,128.71/873,754.39
  6. Step 6: Final answer
    x = 600,788.95

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