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Finding the Fourth Proportional to 324,347.20, 486,520.80 and 235,182.40

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Solution

The fourth proportional to 324,347.20, 486,520.80 and 235,182.40 is: 352,773.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,347.20 : 486,520.80 = 235,182.40 : x
  2. Step 2: Convert to fraction form
    324,347.20/486,520.80 = 235,182.40/x
  3. Step 3: Cross multiply
    324,347.20x = 486,520.80 × 235,182.40
  4. Step 4: Simplify right side
    324,347.20x = 114,421,129,393.92
  5. Step 5: Solve for x
    x = 114,421,129,393.92/324,347.20
  6. Step 6: Final answer
    x = 352,773.60

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