Home / 690,933.04-1,036,399.56-269,913.68

Finding the Fourth Proportional to 690,933.04, 1,036,399.56 and 269,913.68

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Solution

The fourth proportional to 690,933.04, 1,036,399.56 and 269,913.68 is: 404,870.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,933.04 : 1,036,399.56 = 269,913.68 : x
  2. Step 2: Convert to fraction form
    690,933.04/1,036,399.56 = 269,913.68/x
  3. Step 3: Cross multiply
    690,933.04x = 1,036,399.56 × 269,913.68
  4. Step 4: Simplify right side
    690,933.04x = 279,738,419,189.98
  5. Step 5: Solve for x
    x = 279,738,419,189.98/690,933.04
  6. Step 6: Final answer
    x = 404,870.52

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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.