Home / 558,996.82-771,438.79-317,301.88

Finding the Fourth Proportional to 558,996.82, 771,438.79 and 317,301.88

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Solution

The fourth proportional to 558,996.82, 771,438.79 and 317,301.88 is: 437,889.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,996.82 : 771,438.79 = 317,301.88 : x
  2. Step 2: Convert to fraction form
    558,996.82/771,438.79 = 317,301.88/x
  3. Step 3: Cross multiply
    558,996.82x = 771,438.79 × 317,301.88
  4. Step 4: Simplify right side
    558,996.82x = 244,778,979,732.85
  5. Step 5: Solve for x
    x = 244,778,979,732.85/558,996.82
  6. Step 6: Final answer
    x = 437,889.75

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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.