Home / 690,995.94-1,036,581.42-270,217.14

Finding the Fourth Proportional to 690,995.94, 1,036,581.42 and 270,217.14

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Solution

The fourth proportional to 690,995.94, 1,036,581.42 and 270,217.14 is: 405,359.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,995.94 : 1,036,581.42 = 270,217.14 : x
  2. Step 2: Convert to fraction form
    690,995.94/1,036,581.42 = 270,217.14/x
  3. Step 3: Cross multiply
    690,995.94x = 1,036,581.42 × 270,217.14
  4. Step 4: Simplify right side
    690,995.94x = 280,102,066,689.54
  5. Step 5: Solve for x
    x = 280,102,066,689.54/690,995.94
  6. Step 6: Final answer
    x = 405,359.93

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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.