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Finding the Fourth Proportional to 460,613.43, 690,396.04 and 280,301.17

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Solution

The fourth proportional to 460,613.43, 690,396.04 and 280,301.17 is: 420,132.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,613.43 : 690,396.04 = 280,301.17 : x
  2. Step 2: Convert to fraction form
    460,613.43/690,396.04 = 280,301.17/x
  3. Step 3: Cross multiply
    460,613.43x = 690,396.04 × 280,301.17
  4. Step 4: Simplify right side
    460,613.43x = 193,518,817,775.37
  5. Step 5: Solve for x
    x = 193,518,817,775.37/460,613.43
  6. Step 6: Final answer
    x = 420,132.82

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