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Finding the Fourth Proportional to 640,721.14, 884,166.44 and 368,797.46

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Solution

The fourth proportional to 640,721.14, 884,166.44 and 368,797.46 is: 508,923.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,721.14 : 884,166.44 = 368,797.46 : x
  2. Step 2: Convert to fraction form
    640,721.14/884,166.44 = 368,797.46/x
  3. Step 3: Cross multiply
    640,721.14x = 884,166.44 × 368,797.46
  4. Step 4: Simplify right side
    640,721.14x = 326,078,331,024.42
  5. Step 5: Solve for x
    x = 326,078,331,024.42/640,721.14
  6. Step 6: Final answer
    x = 508,923.95

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