Home / 690,893.19-1,036,339.79-269,873.82

Finding the Fourth Proportional to 690,893.19, 1,036,339.79 and 269,873.82

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Solution

The fourth proportional to 690,893.19, 1,036,339.79 and 269,873.82 is: 404,810.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,893.19 : 1,036,339.79 = 269,873.82 : x
  2. Step 2: Convert to fraction form
    690,893.19/1,036,339.79 = 269,873.82/x
  3. Step 3: Cross multiply
    690,893.19x = 1,036,339.79 × 269,873.82
  4. Step 4: Simplify right side
    690,893.19x = 279,680,976,595.93
  5. Step 5: Solve for x
    x = 279,680,976,595.93/690,893.19
  6. Step 6: Final answer
    x = 404,810.73

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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.