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Finding the Fourth Proportional to 373,361.20, 561,424.20 and 312,535.60

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Solution

The fourth proportional to 373,361.20, 561,424.20 and 312,535.60 is: 469,960.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,361.20 : 561,424.20 = 312,535.60 : x
  2. Step 2: Convert to fraction form
    373,361.20/561,424.20 = 312,535.60/x
  3. Step 3: Cross multiply
    373,361.20x = 561,424.20 × 312,535.60
  4. Step 4: Simplify right side
    373,361.20x = 175,465,049,201.52
  5. Step 5: Solve for x
    x = 175,465,049,201.52/373,361.20
  6. Step 6: Final answer
    x = 469,960.59

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