Home / 755,694.57-1,133,691.36-215,955.69

Finding the Fourth Proportional to 755,694.57, 1,133,691.36 and 215,955.69

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Solution

The fourth proportional to 755,694.57, 1,133,691.36 and 215,955.69 is: 323,976.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,694.57 : 1,133,691.36 = 215,955.69 : x
  2. Step 2: Convert to fraction form
    755,694.57/1,133,691.36 = 215,955.69/x
  3. Step 3: Cross multiply
    755,694.57x = 1,133,691.36 × 215,955.69
  4. Step 4: Simplify right side
    755,694.57x = 244,827,099,895.84
  5. Step 5: Solve for x
    x = 244,827,099,895.84/755,694.57
  6. Step 6: Final answer
    x = 323,976.26

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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.