Home / 690,891.68-1,036,337.54-269,872.31

Finding the Fourth Proportional to 690,891.68, 1,036,337.54 and 269,872.31

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Solution

The fourth proportional to 690,891.68, 1,036,337.54 and 269,872.31 is: 404,808.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,891.68 : 1,036,337.54 = 269,872.31 : x
  2. Step 2: Convert to fraction form
    690,891.68/1,036,337.54 = 269,872.31/x
  3. Step 3: Cross multiply
    690,891.68x = 1,036,337.54 × 269,872.31
  4. Step 4: Simplify right side
    690,891.68x = 279,678,807,101.00
  5. Step 5: Solve for x
    x = 279,678,807,101.00/690,891.68
  6. Step 6: Final answer
    x = 404,808.47

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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.