Home / 550,982.71-760,375.16-305,971.58

Finding the Fourth Proportional to 550,982.71, 760,375.16 and 305,971.58

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Solution

The fourth proportional to 550,982.71, 760,375.16 and 305,971.58 is: 422,251.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,982.71 : 760,375.16 = 305,971.58 : x
  2. Step 2: Convert to fraction form
    550,982.71/760,375.16 = 305,971.58/x
  3. Step 3: Cross multiply
    550,982.71x = 760,375.16 × 305,971.58
  4. Step 4: Simplify right side
    550,982.71x = 232,653,188,060.41
  5. Step 5: Solve for x
    x = 232,653,188,060.41/550,982.71
  6. Step 6: Final answer
    x = 422,251.34

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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.