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Finding the Fourth Proportional to 365,939.40, 548,909.10 and 306,890.40

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Solution

The fourth proportional to 365,939.40, 548,909.10 and 306,890.40 is: 460,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,939.40 : 548,909.10 = 306,890.40 : x
  2. Step 2: Convert to fraction form
    365,939.40/548,909.10 = 306,890.40/x
  3. Step 3: Cross multiply
    365,939.40x = 548,909.10 × 306,890.40
  4. Step 4: Simplify right side
    365,939.40x = 168,454,933,262.64
  5. Step 5: Solve for x
    x = 168,454,933,262.64/365,939.40
  6. Step 6: Final answer
    x = 460,335.60

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