Home / 755,227.31-1,133,007.41-328,831.56

Finding the Fourth Proportional to 755,227.31, 1,133,007.41 and 328,831.56

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Solution

The fourth proportional to 755,227.31, 1,133,007.41 and 328,831.56 is: 493,319.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,227.31 : 1,133,007.41 = 328,831.56 : x
  2. Step 2: Convert to fraction form
    755,227.31/1,133,007.41 = 328,831.56/x
  3. Step 3: Cross multiply
    755,227.31x = 1,133,007.41 × 328,831.56
  4. Step 4: Simplify right side
    755,227.31x = 372,568,594,943.94
  5. Step 5: Solve for x
    x = 372,568,594,943.94/755,227.31
  6. Step 6: Final answer
    x = 493,319.82

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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.