Home / 809,036.84-1,212,702.17-269,148.92

Finding the Fourth Proportional to 809,036.84, 1,212,702.17 and 269,148.92

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Solution

The fourth proportional to 809,036.84, 1,212,702.17 and 269,148.92 is: 403,439.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,036.84 : 1,212,702.17 = 269,148.92 : x
  2. Step 2: Convert to fraction form
    809,036.84/1,212,702.17 = 269,148.92/x
  3. Step 3: Cross multiply
    809,036.84x = 1,212,702.17 × 269,148.92
  4. Step 4: Simplify right side
    809,036.84x = 326,397,471,927.90
  5. Step 5: Solve for x
    x = 326,397,471,927.90/809,036.84
  6. Step 6: Final answer
    x = 403,439.57

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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.