Home / 690,896.82-1,036,345.21-269,877.45

Finding the Fourth Proportional to 690,896.82, 1,036,345.21 and 269,877.45

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Solution

The fourth proportional to 690,896.82, 1,036,345.21 and 269,877.45 is: 404,816.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,896.82 : 1,036,345.21 = 269,877.45 : x
  2. Step 2: Convert to fraction form
    690,896.82/1,036,345.21 = 269,877.45/x
  3. Step 3: Cross multiply
    690,896.82x = 1,036,345.21 × 269,877.45
  4. Step 4: Simplify right side
    690,896.82x = 279,686,202,594.52
  5. Step 5: Solve for x
    x = 279,686,202,594.52/690,896.82
  6. Step 6: Final answer
    x = 404,816.17

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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.