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Finding the Fourth Proportional to 493,235.44, 680,663.44 and 278,374.84

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Solution

The fourth proportional to 493,235.44, 680,663.44 and 278,374.84 is: 384,156.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,235.44 : 680,663.44 = 278,374.84 : x
  2. Step 2: Convert to fraction form
    493,235.44/680,663.44 = 278,374.84/x
  3. Step 3: Cross multiply
    493,235.44x = 680,663.44 × 278,374.84
  4. Step 4: Simplify right side
    493,235.44x = 189,479,576,203.85
  5. Step 5: Solve for x
    x = 189,479,576,203.85/493,235.44
  6. Step 6: Final answer
    x = 384,156.45

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