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Finding the Fourth Proportional to 467,079.40, 700,619.10 and 280,455.40

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Solution

The fourth proportional to 467,079.40, 700,619.10 and 280,455.40 is: 420,683.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,079.40 : 700,619.10 = 280,455.40 : x
  2. Step 2: Convert to fraction form
    467,079.40/700,619.10 = 280,455.40/x
  3. Step 3: Cross multiply
    467,079.40x = 700,619.10 × 280,455.40
  4. Step 4: Simplify right side
    467,079.40x = 196,492,409,938.14
  5. Step 5: Solve for x
    x = 196,492,409,938.14/467,079.40
  6. Step 6: Final answer
    x = 420,683.10

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