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Finding the Fourth Proportional to 482,624.70, 666,052.26 and 278,712.90

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Solution

The fourth proportional to 482,624.70, 666,052.26 and 278,712.90 is: 384,641.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,624.70 : 666,052.26 = 278,712.90 : x
  2. Step 2: Convert to fraction form
    482,624.70/666,052.26 = 278,712.90/x
  3. Step 3: Cross multiply
    482,624.70x = 666,052.26 × 278,712.90
  4. Step 4: Simplify right side
    482,624.70x = 185,637,356,936.15
  5. Step 5: Solve for x
    x = 185,637,356,936.15/482,624.70
  6. Step 6: Final answer
    x = 384,641.23

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