Home / 690,932.04-1,036,398.06-269,912.68

Finding the Fourth Proportional to 690,932.04, 1,036,398.06 and 269,912.68

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Solution

The fourth proportional to 690,932.04, 1,036,398.06 and 269,912.68 is: 404,869.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,932.04 : 1,036,398.06 = 269,912.68 : x
  2. Step 2: Convert to fraction form
    690,932.04/1,036,398.06 = 269,912.68/x
  3. Step 3: Cross multiply
    690,932.04x = 1,036,398.06 × 269,912.68
  4. Step 4: Simplify right side
    690,932.04x = 279,736,977,921.40
  5. Step 5: Solve for x
    x = 279,736,977,921.40/690,932.04
  6. Step 6: Final answer
    x = 404,869.02

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1.5x scale

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.