Home / 756,009.91-1,134,236.40-223,544.80

Finding the Fourth Proportional to 756,009.91, 1,134,236.40 and 223,544.80

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Solution

The fourth proportional to 756,009.91, 1,134,236.40 and 223,544.80 is: 335,382.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,009.91 : 1,134,236.40 = 223,544.80 : x
  2. Step 2: Convert to fraction form
    756,009.91/1,134,236.40 = 223,544.80/x
  3. Step 3: Cross multiply
    756,009.91x = 1,134,236.40 × 223,544.80
  4. Step 4: Simplify right side
    756,009.91x = 253,552,649,190.72
  5. Step 5: Solve for x
    x = 253,552,649,190.72/756,009.91
  6. Step 6: Final answer
    x = 335,382.71

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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.