Home / 540,588.70-811,286.97-203,961.34

Finding the Fourth Proportional to 540,588.70, 811,286.97 and 203,961.34

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Solution

The fourth proportional to 540,588.70, 811,286.97 and 203,961.34 is: 306,094.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,588.70 : 811,286.97 = 203,961.34 : x
  2. Step 2: Convert to fraction form
    540,588.70/811,286.97 = 203,961.34/x
  3. Step 3: Cross multiply
    540,588.70x = 811,286.97 × 203,961.34
  4. Step 4: Simplify right side
    540,588.70x = 165,471,177,525.74
  5. Step 5: Solve for x
    x = 165,471,177,525.74/540,588.70
  6. Step 6: Final answer
    x = 306,094.41

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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.