Home / 845,945.45-1,268,411.30-269,319.53

Finding the Fourth Proportional to 845,945.45, 1,268,411.30 and 269,319.53

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Solution

The fourth proportional to 845,945.45, 1,268,411.30 and 269,319.53 is: 403,817.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,945.45 : 1,268,411.30 = 269,319.53 : x
  2. Step 2: Convert to fraction form
    845,945.45/1,268,411.30 = 269,319.53/x
  3. Step 3: Cross multiply
    845,945.45x = 1,268,411.30 × 269,319.53
  4. Step 4: Simplify right side
    845,945.45x = 341,607,936,987.12
  5. Step 5: Solve for x
    x = 341,607,936,987.12/845,945.45
  6. Step 6: Final answer
    x = 403,817.92

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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.