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Finding the Fourth Proportional to 365,853.20, 548,123.70 and 313,365.20

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Solution

The fourth proportional to 365,853.20, 548,123.70 and 313,365.20 is: 469,485.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,853.20 : 548,123.70 = 313,365.20 : x
  2. Step 2: Convert to fraction form
    365,853.20/548,123.70 = 313,365.20/x
  3. Step 3: Cross multiply
    365,853.20x = 548,123.70 × 313,365.20
  4. Step 4: Simplify right side
    365,853.20x = 171,762,892,875.24
  5. Step 5: Solve for x
    x = 171,762,892,875.24/365,853.20
  6. Step 6: Final answer
    x = 469,485.83

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