Home / 862,564.20-1,293,615.90-263,524.20

Finding the Fourth Proportional to 862,564.20, 1,293,615.90 and 263,524.20

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Solution

The fourth proportional to 862,564.20, 1,293,615.90 and 263,524.20 is: 395,215.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,564.20 : 1,293,615.90 = 263,524.20 : x
  2. Step 2: Convert to fraction form
    862,564.20/1,293,615.90 = 263,524.20/x
  3. Step 3: Cross multiply
    862,564.20x = 1,293,615.90 × 263,524.20
  4. Step 4: Simplify right side
    862,564.20x = 340,899,095,154.78
  5. Step 5: Solve for x
    x = 340,899,095,154.78/862,564.20
  6. Step 6: Final answer
    x = 395,215.91

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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.