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Finding the Fourth Proportional to 514,432.97, 709,909.83 and 284,989.78

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Solution

The fourth proportional to 514,432.97, 709,909.83 and 284,989.78 is: 393,281.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,432.97 : 709,909.83 = 284,989.78 : x
  2. Step 2: Convert to fraction form
    514,432.97/709,909.83 = 284,989.78/x
  3. Step 3: Cross multiply
    514,432.97x = 709,909.83 × 284,989.78
  4. Step 4: Simplify right side
    514,432.97x = 202,317,042,721.99
  5. Step 5: Solve for x
    x = 202,317,042,721.99/514,432.97
  6. Step 6: Final answer
    x = 393,281.64

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