Home / 863,625.72-1,296,561.16-664,086.24

Finding the Fourth Proportional to 863,625.72, 1,296,561.16 and 664,086.24

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Solution

The fourth proportional to 863,625.72, 1,296,561.16 and 664,086.24 is: 996,992.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,625.72 : 1,296,561.16 = 664,086.24 : x
  2. Step 2: Convert to fraction form
    863,625.72/1,296,561.16 = 664,086.24/x
  3. Step 3: Cross multiply
    863,625.72x = 1,296,561.16 × 664,086.24
  4. Step 4: Simplify right side
    863,625.72x = 861,028,425,674.44
  5. Step 5: Solve for x
    x = 861,028,425,674.44/863,625.72
  6. Step 6: Final answer
    x = 996,992.57

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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.