Home / 845,836.30-1,268,896.66-419,393.18

Finding the Fourth Proportional to 845,836.30, 1,268,896.66 and 419,393.18

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Solution

The fourth proportional to 845,836.30, 1,268,896.66 and 419,393.18 is: 629,160.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,836.30 : 1,268,896.66 = 419,393.18 : x
  2. Step 2: Convert to fraction form
    845,836.30/1,268,896.66 = 419,393.18/x
  3. Step 3: Cross multiply
    845,836.30x = 1,268,896.66 × 419,393.18
  4. Step 4: Simplify right side
    845,836.30x = 532,166,605,328.78
  5. Step 5: Solve for x
    x = 532,166,605,328.78/845,836.30
  6. Step 6: Final answer
    x = 629,160.28

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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.