Home / 869,431.04-1,304,334.24-270,380.48

Finding the Fourth Proportional to 869,431.04, 1,304,334.24 and 270,380.48

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Solution

The fourth proportional to 869,431.04, 1,304,334.24 and 270,380.48 is: 405,629.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,431.04 : 1,304,334.24 = 270,380.48 : x
  2. Step 2: Convert to fraction form
    869,431.04/1,304,334.24 = 270,380.48/x
  3. Step 3: Cross multiply
    869,431.04x = 1,304,334.24 × 270,380.48
  4. Step 4: Simplify right side
    869,431.04x = 352,666,517,891.64
  5. Step 5: Solve for x
    x = 352,666,517,891.64/869,431.04
  6. Step 6: Final answer
    x = 405,629.09

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.