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Finding the Fourth Proportional to 570,610.75, 787,433.21 and 315,956.47

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Solution

The fourth proportional to 570,610.75, 787,433.21 and 315,956.47 is: 436,014.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,610.75 : 787,433.21 = 315,956.47 : x
  2. Step 2: Convert to fraction form
    570,610.75/787,433.21 = 315,956.47/x
  3. Step 3: Cross multiply
    570,610.75x = 787,433.21 × 315,956.47
  4. Step 4: Simplify right side
    570,610.75x = 248,794,615,028.84
  5. Step 5: Solve for x
    x = 248,794,615,028.84/570,610.75
  6. Step 6: Final answer
    x = 436,014.60

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