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Finding the Fourth Proportional to 527,793.60, 791,690.40 and 172,819.20

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Solution

The fourth proportional to 527,793.60, 791,690.40 and 172,819.20 is: 259,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,793.60 : 791,690.40 = 172,819.20 : x
  2. Step 2: Convert to fraction form
    527,793.60/791,690.40 = 172,819.20/x
  3. Step 3: Cross multiply
    527,793.60x = 791,690.40 × 172,819.20
  4. Step 4: Simplify right side
    527,793.60x = 136,819,301,575.68
  5. Step 5: Solve for x
    x = 136,819,301,575.68/527,793.60
  6. Step 6: Final answer
    x = 259,228.80

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