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Finding the Fourth Proportional to 658,265.85, 908,401.68 and 356,459.85

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Solution

The fourth proportional to 658,265.85, 908,401.68 and 356,459.85 is: 491,911.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,265.85 : 908,401.68 = 356,459.85 : x
  2. Step 2: Convert to fraction form
    658,265.85/908,401.68 = 356,459.85/x
  3. Step 3: Cross multiply
    658,265.85x = 908,401.68 × 356,459.85
  4. Step 4: Simplify right side
    658,265.85x = 323,808,726,592.55
  5. Step 5: Solve for x
    x = 323,808,726,592.55/658,265.85
  6. Step 6: Final answer
    x = 491,911.78

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