Home / 499,400.58-749,633.94-215,231.36

Finding the Fourth Proportional to 499,400.58, 749,633.94 and 215,231.36

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Solution

The fourth proportional to 499,400.58, 749,633.94 and 215,231.36 is: 323,076.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,400.58 : 749,633.94 = 215,231.36 : x
  2. Step 2: Convert to fraction form
    499,400.58/749,633.94 = 215,231.36/x
  3. Step 3: Cross multiply
    499,400.58x = 749,633.94 × 215,231.36
  4. Step 4: Simplify right side
    499,400.58x = 161,344,735,089.56
  5. Step 5: Solve for x
    x = 161,344,735,089.56/499,400.58
  6. Step 6: Final answer
    x = 323,076.79

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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.