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Finding the Fourth Proportional to 470,240.74, 648,932.07 and 255,380.86

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Solution

The fourth proportional to 470,240.74, 648,932.07 and 255,380.86 is: 352,425.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,240.74 : 648,932.07 = 255,380.86 : x
  2. Step 2: Convert to fraction form
    470,240.74/648,932.07 = 255,380.86/x
  3. Step 3: Cross multiply
    470,240.74x = 648,932.07 × 255,380.86
  4. Step 4: Simplify right side
    470,240.74x = 165,724,830,118.18
  5. Step 5: Solve for x
    x = 165,724,830,118.18/470,240.74
  6. Step 6: Final answer
    x = 352,425.50

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