Home / 404,839.12-558,548.04-225,956.56

Finding the Fourth Proportional to 404,839.12, 558,548.04 and 225,956.56

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Solution

The fourth proportional to 404,839.12, 558,548.04 and 225,956.56 is: 311,747.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,839.12 : 558,548.04 = 225,956.56 : x
  2. Step 2: Convert to fraction form
    404,839.12/558,548.04 = 225,956.56/x
  3. Step 3: Cross multiply
    404,839.12x = 558,548.04 × 225,956.56
  4. Step 4: Simplify right side
    404,839.12x = 126,207,593,713.14
  5. Step 5: Solve for x
    x = 126,207,593,713.14/404,839.12
  6. Step 6: Final answer
    x = 311,747.53

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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.