Home / 755,721.16-1,133,731.20-215,982.28

Finding the Fourth Proportional to 755,721.16, 1,133,731.20 and 215,982.28

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Solution

The fourth proportional to 755,721.16, 1,133,731.20 and 215,982.28 is: 324,016.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,721.16 : 1,133,731.20 = 215,982.28 : x
  2. Step 2: Convert to fraction form
    755,721.16/1,133,731.20 = 215,982.28/x
  3. Step 3: Cross multiply
    755,721.16x = 1,133,731.20 × 215,982.28
  4. Step 4: Simplify right side
    755,721.16x = 244,865,849,483.14
  5. Step 5: Solve for x
    x = 244,865,849,483.14/755,721.16
  6. Step 6: Final answer
    x = 324,016.14

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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.