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Finding the Fourth Proportional to 383,064.52, 528,618.20 and 208,630.76

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Solution

The fourth proportional to 383,064.52, 528,618.20 and 208,630.76 is: 287,904.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,064.52 : 528,618.20 = 208,630.76 : x
  2. Step 2: Convert to fraction form
    383,064.52/528,618.20 = 208,630.76/x
  3. Step 3: Cross multiply
    383,064.52x = 528,618.20 × 208,630.76
  4. Step 4: Simplify right side
    383,064.52x = 110,286,016,815.83
  5. Step 5: Solve for x
    x = 110,286,016,815.83/383,064.52
  6. Step 6: Final answer
    x = 287,904.55

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