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Finding the Fourth Proportional to 450,049.80, 674,966.70 and 260,099.40

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Solution

The fourth proportional to 450,049.80, 674,966.70 and 260,099.40 is: 390,086.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,049.80 : 674,966.70 = 260,099.40 : x
  2. Step 2: Convert to fraction form
    450,049.80/674,966.70 = 260,099.40/x
  3. Step 3: Cross multiply
    450,049.80x = 674,966.70 × 260,099.40
  4. Step 4: Simplify right side
    450,049.80x = 175,558,433,689.98
  5. Step 5: Solve for x
    x = 175,558,433,689.98/450,049.80
  6. Step 6: Final answer
    x = 390,086.68

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