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Finding the Fourth Proportional to 442,731.46, 663,488.06 and 189,709.06

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Solution

The fourth proportional to 442,731.46, 663,488.06 and 189,709.06 is: 284,302.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,731.46 : 663,488.06 = 189,709.06 : x
  2. Step 2: Convert to fraction form
    442,731.46/663,488.06 = 189,709.06/x
  3. Step 3: Cross multiply
    442,731.46x = 663,488.06 × 189,709.06
  4. Step 4: Simplify right side
    442,731.46x = 125,869,696,183.82
  5. Step 5: Solve for x
    x = 125,869,696,183.82/442,731.46
  6. Step 6: Final answer
    x = 284,302.58

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