Home / 663,976.44-916,279.50-362,163.96

Finding the Fourth Proportional to 663,976.44, 916,279.50 and 362,163.96

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Solution

The fourth proportional to 663,976.44, 916,279.50 and 362,163.96 is: 499,781.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,976.44 : 916,279.50 = 362,163.96 : x
  2. Step 2: Convert to fraction form
    663,976.44/916,279.50 = 362,163.96/x
  3. Step 3: Cross multiply
    663,976.44x = 916,279.50 × 362,163.96
  4. Step 4: Simplify right side
    663,976.44x = 331,843,412,186.82
  5. Step 5: Solve for x
    x = 331,843,412,186.82/663,976.44
  6. Step 6: Final answer
    x = 499,781.91

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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.