Home / 668,224.23-1,002,234.47-218,991.75

Finding the Fourth Proportional to 668,224.23, 1,002,234.47 and 218,991.75

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Solution

The fourth proportional to 668,224.23, 1,002,234.47 and 218,991.75 is: 328,454.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,224.23 : 1,002,234.47 = 218,991.75 : x
  2. Step 2: Convert to fraction form
    668,224.23/1,002,234.47 = 218,991.75/x
  3. Step 3: Cross multiply
    668,224.23x = 1,002,234.47 × 218,991.75
  4. Step 4: Simplify right side
    668,224.23x = 219,481,079,400.66
  5. Step 5: Solve for x
    x = 219,481,079,400.66/668,224.23
  6. Step 6: Final answer
    x = 328,454.24

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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.