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Finding the Fourth Proportional to 503,575.84, 694,892.28 and 288,666.64

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Solution

The fourth proportional to 503,575.84, 694,892.28 and 288,666.64 is: 398,335.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,575.84 : 694,892.28 = 288,666.64 : x
  2. Step 2: Convert to fraction form
    503,575.84/694,892.28 = 288,666.64/x
  3. Step 3: Cross multiply
    503,575.84x = 694,892.28 × 288,666.64
  4. Step 4: Simplify right side
    503,575.84x = 200,592,219,629.54
  5. Step 5: Solve for x
    x = 200,592,219,629.54/503,575.84
  6. Step 6: Final answer
    x = 398,335.67

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