Home / 807,732.43-1,211,742.72-268,021.13

Finding the Fourth Proportional to 807,732.43, 1,211,742.72 and 268,021.13

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Solution

The fourth proportional to 807,732.43, 1,211,742.72 and 268,021.13 is: 402,079.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,732.43 : 1,211,742.72 = 268,021.13 : x
  2. Step 2: Convert to fraction form
    807,732.43/1,211,742.72 = 268,021.13/x
  3. Step 3: Cross multiply
    807,732.43x = 1,211,742.72 × 268,021.13
  4. Step 4: Simplify right side
    807,732.43x = 324,772,647,024.96
  5. Step 5: Solve for x
    x = 324,772,647,024.96/807,732.43
  6. Step 6: Final answer
    x = 402,079.50

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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.