Home / 427,804.68-590,112.18-274,791.36

Finding the Fourth Proportional to 427,804.68, 590,112.18 and 274,791.36

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Solution

The fourth proportional to 427,804.68, 590,112.18 and 274,791.36 is: 379,046.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,804.68 : 590,112.18 = 274,791.36 : x
  2. Step 2: Convert to fraction form
    427,804.68/590,112.18 = 274,791.36/x
  3. Step 3: Cross multiply
    427,804.68x = 590,112.18 × 274,791.36
  4. Step 4: Simplify right side
    427,804.68x = 162,157,728,494.77
  5. Step 5: Solve for x
    x = 162,157,728,494.77/427,804.68
  6. Step 6: Final answer
    x = 379,046.18

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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.