Home / 845,835.30-1,268,895.16-419,392.18

Finding the Fourth Proportional to 845,835.30, 1,268,895.16 and 419,392.18

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Solution

The fourth proportional to 845,835.30, 1,268,895.16 and 419,392.18 is: 629,158.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,835.30 : 1,268,895.16 = 419,392.18 : x
  2. Step 2: Convert to fraction form
    845,835.30/1,268,895.16 = 419,392.18/x
  3. Step 3: Cross multiply
    845,835.30x = 1,268,895.16 × 419,392.18
  4. Step 4: Simplify right side
    845,835.30x = 532,164,707,343.85
  5. Step 5: Solve for x
    x = 532,164,707,343.85/845,835.30
  6. Step 6: Final answer
    x = 629,158.78

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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.