Home / 863,828.20-1,295,991.15-264,877.57

Finding the Fourth Proportional to 863,828.20, 1,295,991.15 and 264,877.57

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Solution

The fourth proportional to 863,828.20, 1,295,991.15 and 264,877.57 is: 397,392.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,828.20 : 1,295,991.15 = 264,877.57 : x
  2. Step 2: Convert to fraction form
    863,828.20/1,295,991.15 = 264,877.57/x
  3. Step 3: Cross multiply
    863,828.20x = 1,295,991.15 × 264,877.57
  4. Step 4: Simplify right side
    863,828.20x = 343,278,986,553.51
  5. Step 5: Solve for x
    x = 343,278,986,553.51/863,828.20
  6. Step 6: Final answer
    x = 397,392.66

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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.