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Finding the Fourth Proportional to 488,720.80, 733,081.20 and 370,622.80

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Solution

The fourth proportional to 488,720.80, 733,081.20 and 370,622.80 is: 555,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,720.80 : 733,081.20 = 370,622.80 : x
  2. Step 2: Convert to fraction form
    488,720.80/733,081.20 = 370,622.80/x
  3. Step 3: Cross multiply
    488,720.80x = 733,081.20 × 370,622.80
  4. Step 4: Simplify right side
    488,720.80x = 271,696,606,971.36
  5. Step 5: Solve for x
    x = 271,696,606,971.36/488,720.80
  6. Step 6: Final answer
    x = 555,934.20

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