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Finding the Fourth Proportional to 495,343.72, 683,527.02 and 280,441.84

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Solution

The fourth proportional to 495,343.72, 683,527.02 and 280,441.84 is: 386,982.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,343.72 : 683,527.02 = 280,441.84 : x
  2. Step 2: Convert to fraction form
    495,343.72/683,527.02 = 280,441.84/x
  3. Step 3: Cross multiply
    495,343.72x = 683,527.02 × 280,441.84
  4. Step 4: Simplify right side
    495,343.72x = 191,689,575,178.52
  5. Step 5: Solve for x
    x = 191,689,575,178.52/495,343.72
  6. Step 6: Final answer
    x = 386,982.95

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