Home / 807,451.09-1,211,176.62-238,787.87

Finding the Fourth Proportional to 807,451.09, 1,211,176.62 and 238,787.87

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Solution

The fourth proportional to 807,451.09, 1,211,176.62 and 238,787.87 is: 358,181.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,451.09 : 1,211,176.62 = 238,787.87 : x
  2. Step 2: Convert to fraction form
    807,451.09/1,211,176.62 = 238,787.87/x
  3. Step 3: Cross multiply
    807,451.09x = 1,211,176.62 × 238,787.87
  4. Step 4: Simplify right side
    807,451.09x = 289,214,279,227.72
  5. Step 5: Solve for x
    x = 289,214,279,227.72/807,451.09
  6. Step 6: Final answer
    x = 358,181.79

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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.