Home / 806,997.24-1,211,414.40-408,088.44

Finding the Fourth Proportional to 806,997.24, 1,211,414.40 and 408,088.44

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Solution

The fourth proportional to 806,997.24, 1,211,414.40 and 408,088.44 is: 612,597.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,997.24 : 1,211,414.40 = 408,088.44 : x
  2. Step 2: Convert to fraction form
    806,997.24/1,211,414.40 = 408,088.44/x
  3. Step 3: Cross multiply
    806,997.24x = 1,211,414.40 × 408,088.44
  4. Step 4: Simplify right side
    806,997.24x = 494,364,212,689.54
  5. Step 5: Solve for x
    x = 494,364,212,689.54/806,997.24
  6. Step 6: Final answer
    x = 612,597.15

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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.