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Finding the Fourth Proportional to 879,812, 1,214,140.56 and 477,404

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Solution

The fourth proportional to 879,812, 1,214,140.56 and 477,404 is: 658,817.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,812 : 1,214,140.56 = 477,404 : x
  2. Step 2: Convert to fraction form
    879,812/1,214,140.56 = 477,404/x
  3. Step 3: Cross multiply
    879,812x = 1,214,140.56 × 477,404
  4. Step 4: Simplify right side
    879,812x = 579,635,559,906.24
  5. Step 5: Solve for x
    x = 579,635,559,906.24/879,812
  6. Step 6: Final answer
    x = 658,817.52

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