Home / 862,083.20-1,293,124.80-263,043.20

Finding the Fourth Proportional to 862,083.20, 1,293,124.80 and 263,043.20

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Solution

The fourth proportional to 862,083.20, 1,293,124.80 and 263,043.20 is: 394,564.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,083.20 : 1,293,124.80 = 263,043.20 : x
  2. Step 2: Convert to fraction form
    862,083.20/1,293,124.80 = 263,043.20/x
  3. Step 3: Cross multiply
    862,083.20x = 1,293,124.80 × 263,043.20
  4. Step 4: Simplify right side
    862,083.20x = 340,147,685,391.36
  5. Step 5: Solve for x
    x = 340,147,685,391.36/862,083.20
  6. Step 6: Final answer
    x = 394,564.80

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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.