Home / 372,789.09-514,003.73-304,554.69

Finding the Fourth Proportional to 372,789.09, 514,003.73 and 304,554.69

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Solution

The fourth proportional to 372,789.09, 514,003.73 and 304,554.69 is: 419,921.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,789.09 : 514,003.73 = 304,554.69 : x
  2. Step 2: Convert to fraction form
    372,789.09/514,003.73 = 304,554.69/x
  3. Step 3: Cross multiply
    372,789.09x = 514,003.73 × 304,554.69
  4. Step 4: Simplify right side
    372,789.09x = 156,542,245,126.22
  5. Step 5: Solve for x
    x = 156,542,245,126.22/372,789.09
  6. Step 6: Final answer
    x = 419,921.74

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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.