Home / 901,920.27-1,244,650.49-494,028.93

Finding the Fourth Proportional to 901,920.27, 1,244,650.49 and 494,028.93

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Solution

The fourth proportional to 901,920.27, 1,244,650.49 and 494,028.93 is: 681,760.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,920.27 : 1,244,650.49 = 494,028.93 : x
  2. Step 2: Convert to fraction form
    901,920.27/1,244,650.49 = 494,028.93/x
  3. Step 3: Cross multiply
    901,920.27x = 1,244,650.49 × 494,028.93
  4. Step 4: Simplify right side
    901,920.27x = 614,893,349,798.68
  5. Step 5: Solve for x
    x = 614,893,349,798.68/901,920.27
  6. Step 6: Final answer
    x = 681,760.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.