Home / 845,257.11-1,267,963.82-305,648.07

Finding the Fourth Proportional to 845,257.11, 1,267,963.82 and 305,648.07

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Solution

The fourth proportional to 845,257.11, 1,267,963.82 and 305,648.07 is: 458,500.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,257.11 : 1,267,963.82 = 305,648.07 : x
  2. Step 2: Convert to fraction form
    845,257.11/1,267,963.82 = 305,648.07/x
  3. Step 3: Cross multiply
    845,257.11x = 1,267,963.82 × 305,648.07
  4. Step 4: Simplify right side
    845,257.11x = 387,550,692,884.59
  5. Step 5: Solve for x
    x = 387,550,692,884.59/845,257.11
  6. Step 6: Final answer
    x = 458,500.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.