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Finding the Fourth Proportional to 476,978.12, 658,216.54 and 262,118.12

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Solution

The fourth proportional to 476,978.12, 658,216.54 and 262,118.12 is: 361,715.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,978.12 : 658,216.54 = 262,118.12 : x
  2. Step 2: Convert to fraction form
    476,978.12/658,216.54 = 262,118.12/x
  3. Step 3: Cross multiply
    476,978.12x = 658,216.54 × 262,118.12
  4. Step 4: Simplify right side
    476,978.12x = 172,530,482,017.71
  5. Step 5: Solve for x
    x = 172,530,482,017.71/476,978.12
  6. Step 6: Final answer
    x = 361,715.72

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