Home / 550,171.44-759,238.64-320,887.04

Finding the Fourth Proportional to 550,171.44, 759,238.64 and 320,887.04

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Solution

The fourth proportional to 550,171.44, 759,238.64 and 320,887.04 is: 442,825.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,171.44 : 759,238.64 = 320,887.04 : x
  2. Step 2: Convert to fraction form
    550,171.44/759,238.64 = 320,887.04/x
  3. Step 3: Cross multiply
    550,171.44x = 759,238.64 × 320,887.04
  4. Step 4: Simplify right side
    550,171.44x = 243,629,839,843.23
  5. Step 5: Solve for x
    x = 243,629,839,843.23/550,171.44
  6. Step 6: Final answer
    x = 442,825.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.