Home / 862,131.52-1,293,197.30-263,095.80

Finding the Fourth Proportional to 862,131.52, 1,293,197.30 and 263,095.80

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Solution

The fourth proportional to 862,131.52, 1,293,197.30 and 263,095.80 is: 394,643.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,131.52 : 1,293,197.30 = 263,095.80 : x
  2. Step 2: Convert to fraction form
    862,131.52/1,293,197.30 = 263,095.80/x
  3. Step 3: Cross multiply
    862,131.52x = 1,293,197.30 × 263,095.80
  4. Step 4: Simplify right side
    862,131.52x = 340,234,778,201.34
  5. Step 5: Solve for x
    x = 340,234,778,201.34/862,131.52
  6. Step 6: Final answer
    x = 394,643.71

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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.