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Finding the Fourth Proportional to 483,023.20, 724,534.80 and 370,919.20

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Solution

The fourth proportional to 483,023.20, 724,534.80 and 370,919.20 is: 556,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,023.20 : 724,534.80 = 370,919.20 : x
  2. Step 2: Convert to fraction form
    483,023.20/724,534.80 = 370,919.20/x
  3. Step 3: Cross multiply
    483,023.20x = 724,534.80 × 370,919.20
  4. Step 4: Simplify right side
    483,023.20x = 268,743,868,388.16
  5. Step 5: Solve for x
    x = 268,743,868,388.16/483,023.20
  6. Step 6: Final answer
    x = 556,378.80

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