Home / 862,162.83-1,293,244.11-263,127.06

Finding the Fourth Proportional to 862,162.83, 1,293,244.11 and 263,127.06

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Solution

The fourth proportional to 862,162.83, 1,293,244.11 and 263,127.06 is: 394,690.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,162.83 : 1,293,244.11 = 263,127.06 : x
  2. Step 2: Convert to fraction form
    862,162.83/1,293,244.11 = 263,127.06/x
  3. Step 3: Cross multiply
    862,162.83x = 1,293,244.11 × 263,127.06
  4. Step 4: Simplify right side
    862,162.83x = 340,287,520,526.62
  5. Step 5: Solve for x
    x = 340,287,520,526.62/862,162.83
  6. Step 6: Final answer
    x = 394,690.55

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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.