Home / 690,892.68-1,036,339.04-269,873.31

Finding the Fourth Proportional to 690,892.68, 1,036,339.04 and 269,873.31

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Solution

The fourth proportional to 690,892.68, 1,036,339.04 and 269,873.31 is: 404,809.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,892.68 : 1,036,339.04 = 269,873.31 : x
  2. Step 2: Convert to fraction form
    690,892.68/1,036,339.04 = 269,873.31/x
  3. Step 3: Cross multiply
    690,892.68x = 1,036,339.04 × 269,873.31
  4. Step 4: Simplify right side
    690,892.68x = 279,680,247,007.02
  5. Step 5: Solve for x
    x = 279,680,247,007.02/690,892.68
  6. Step 6: Final answer
    x = 404,809.97

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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.