Home / 535,761.74-739,297.36-320,896.28

Finding the Fourth Proportional to 535,761.74, 739,297.36 and 320,896.28

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Solution

The fourth proportional to 535,761.74, 739,297.36 and 320,896.28 is: 442,804.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,761.74 : 739,297.36 = 320,896.28 : x
  2. Step 2: Convert to fraction form
    535,761.74/739,297.36 = 320,896.28/x
  3. Step 3: Cross multiply
    535,761.74x = 739,297.36 × 320,896.28
  4. Step 4: Simplify right side
    535,761.74x = 237,237,768,941.33
  5. Step 5: Solve for x
    x = 237,237,768,941.33/535,761.74
  6. Step 6: Final answer
    x = 442,804.62

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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.