Home / 863,927.20-1,296,139.50-264,976.24

Finding the Fourth Proportional to 863,927.20, 1,296,139.50 and 264,976.24

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Solution

The fourth proportional to 863,927.20, 1,296,139.50 and 264,976.24 is: 397,540.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,927.20 : 1,296,139.50 = 264,976.24 : x
  2. Step 2: Convert to fraction form
    863,927.20/1,296,139.50 = 264,976.24/x
  3. Step 3: Cross multiply
    863,927.20x = 1,296,139.50 × 264,976.24
  4. Step 4: Simplify right side
    863,927.20x = 343,446,171,225.48
  5. Step 5: Solve for x
    x = 343,446,171,225.48/863,927.20
  6. Step 6: Final answer
    x = 397,540.64

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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.