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Finding the Fourth Proportional to 527,567.24, 728,041.78 and 285,856.36

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Solution

The fourth proportional to 527,567.24, 728,041.78 and 285,856.36 is: 394,481.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,567.24 : 728,041.78 = 285,856.36 : x
  2. Step 2: Convert to fraction form
    527,567.24/728,041.78 = 285,856.36/x
  3. Step 3: Cross multiply
    527,567.24x = 728,041.78 × 285,856.36
  4. Step 4: Simplify right side
    527,567.24x = 208,115,373,158.72
  5. Step 5: Solve for x
    x = 208,115,373,158.72/527,567.24
  6. Step 6: Final answer
    x = 394,481.23

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