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Finding the Fourth Proportional to 663,251.71, 915,027.53 and 408,160.03

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Solution

The fourth proportional to 663,251.71, 915,027.53 and 408,160.03 is: 563,100.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,251.71 : 915,027.53 = 408,160.03 : x
  2. Step 2: Convert to fraction form
    663,251.71/915,027.53 = 408,160.03/x
  3. Step 3: Cross multiply
    663,251.71x = 915,027.53 × 408,160.03
  4. Step 4: Simplify right side
    663,251.71x = 373,477,664,095.63
  5. Step 5: Solve for x
    x = 373,477,664,095.63/663,251.71
  6. Step 6: Final answer
    x = 563,100.94

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