Home / 755,715.16-1,133,722.20-215,976.28

Finding the Fourth Proportional to 755,715.16, 1,133,722.20 and 215,976.28

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Solution

The fourth proportional to 755,715.16, 1,133,722.20 and 215,976.28 is: 324,007.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,715.16 : 1,133,722.20 = 215,976.28 : x
  2. Step 2: Convert to fraction form
    755,715.16/1,133,722.20 = 215,976.28/x
  3. Step 3: Cross multiply
    755,715.16x = 1,133,722.20 × 215,976.28
  4. Step 4: Simplify right side
    755,715.16x = 244,857,103,309.42
  5. Step 5: Solve for x
    x = 244,857,103,309.42/755,715.16
  6. Step 6: Final answer
    x = 324,007.13

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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.