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Finding the Fourth Proportional to 464,734.20, 697,101.30 and 287,441.40

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Solution

The fourth proportional to 464,734.20, 697,101.30 and 287,441.40 is: 431,162.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,734.20 : 697,101.30 = 287,441.40 : x
  2. Step 2: Convert to fraction form
    464,734.20/697,101.30 = 287,441.40/x
  3. Step 3: Cross multiply
    464,734.20x = 697,101.30 × 287,441.40
  4. Step 4: Simplify right side
    464,734.20x = 200,375,773,613.82
  5. Step 5: Solve for x
    x = 200,375,773,613.82/464,734.20
  6. Step 6: Final answer
    x = 431,162.10

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