Home / 809,045.10-1,212,714.54-269,157.17

Finding the Fourth Proportional to 809,045.10, 1,212,714.54 and 269,157.17

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Solution

The fourth proportional to 809,045.10, 1,212,714.54 and 269,157.17 is: 403,451.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,045.10 : 1,212,714.54 = 269,157.17 : x
  2. Step 2: Convert to fraction form
    809,045.10/1,212,714.54 = 269,157.17/x
  3. Step 3: Cross multiply
    809,045.10x = 1,212,714.54 × 269,157.17
  4. Step 4: Simplify right side
    809,045.10x = 326,410,807,540.68
  5. Step 5: Solve for x
    x = 326,410,807,540.68/809,045.10
  6. Step 6: Final answer
    x = 403,451.93

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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.