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Finding the Fourth Proportional to 289,703.20, 433,863.60 and 289,703.20

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Solution

The fourth proportional to 289,703.20, 433,863.60 and 289,703.20 is: 433,863.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,703.20 : 433,863.60 = 289,703.20 : x
  2. Step 2: Convert to fraction form
    289,703.20/433,863.60 = 289,703.20/x
  3. Step 3: Cross multiply
    289,703.20x = 433,863.60 × 289,703.20
  4. Step 4: Simplify right side
    289,703.20x = 125,691,673,283.52
  5. Step 5: Solve for x
    x = 125,691,673,283.52/289,703.20
  6. Step 6: Final answer
    x = 433,863.60

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