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Finding the Fourth Proportional to 680,784.30, 939,474.27 and 374,854.14

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Solution

The fourth proportional to 680,784.30, 939,474.27 and 374,854.14 is: 517,294.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,784.30 : 939,474.27 = 374,854.14 : x
  2. Step 2: Convert to fraction form
    680,784.30/939,474.27 = 374,854.14/x
  3. Step 3: Cross multiply
    680,784.30x = 939,474.27 × 374,854.14
  4. Step 4: Simplify right side
    680,784.30x = 352,165,819,532.98
  5. Step 5: Solve for x
    x = 352,165,819,532.98/680,784.30
  6. Step 6: Final answer
    x = 517,294.27

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