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Finding the Fourth Proportional to 423,974.70, 635,962.05 and 397,730.70

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Solution

The fourth proportional to 423,974.70, 635,962.05 and 397,730.70 is: 596,596.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,974.70 : 635,962.05 = 397,730.70 : x
  2. Step 2: Convert to fraction form
    423,974.70/635,962.05 = 397,730.70/x
  3. Step 3: Cross multiply
    423,974.70x = 635,962.05 × 397,730.70
  4. Step 4: Simplify right side
    423,974.70x = 252,941,631,319.94
  5. Step 5: Solve for x
    x = 252,941,631,319.94/423,974.70
  6. Step 6: Final answer
    x = 596,596.05

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