Home / 505,207.89-757,953.99-220,923.41

Finding the Fourth Proportional to 505,207.89, 757,953.99 and 220,923.41

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Solution

The fourth proportional to 505,207.89, 757,953.99 and 220,923.41 is: 331,447.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,207.89 : 757,953.99 = 220,923.41 : x
  2. Step 2: Convert to fraction form
    505,207.89/757,953.99 = 220,923.41/x
  3. Step 3: Cross multiply
    505,207.89x = 757,953.99 × 220,923.41
  4. Step 4: Simplify right side
    505,207.89x = 167,449,776,304.14
  5. Step 5: Solve for x
    x = 167,449,776,304.14/505,207.89
  6. Step 6: Final answer
    x = 331,447.27

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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.