Home / 845,819.82-1,268,309.95-269,367.93

Finding the Fourth Proportional to 845,819.82, 1,268,309.95 and 269,367.93

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Solution

The fourth proportional to 845,819.82, 1,268,309.95 and 269,367.93 is: 403,918.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,819.82 : 1,268,309.95 = 269,367.93 : x
  2. Step 2: Convert to fraction form
    845,819.82/1,268,309.95 = 269,367.93/x
  3. Step 3: Cross multiply
    845,819.82x = 1,268,309.95 × 269,367.93
  4. Step 4: Simplify right side
    845,819.82x = 341,642,025,156.48
  5. Step 5: Solve for x
    x = 341,642,025,156.48/845,819.82
  6. Step 6: Final answer
    x = 403,918.21

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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.