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Finding the Fourth Proportional to 478,245.84, 659,956.20 and 263,394.96

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Solution

The fourth proportional to 478,245.84, 659,956.20 and 263,394.96 is: 363,472.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,245.84 : 659,956.20 = 263,394.96 : x
  2. Step 2: Convert to fraction form
    478,245.84/659,956.20 = 263,394.96/x
  3. Step 3: Cross multiply
    478,245.84x = 659,956.20 × 263,394.96
  4. Step 4: Simplify right side
    478,245.84x = 173,829,136,900.75
  5. Step 5: Solve for x
    x = 173,829,136,900.75/478,245.84
  6. Step 6: Final answer
    x = 363,472.34

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