Home / 845,946.46-1,268,412.80-269,320.54

Finding the Fourth Proportional to 845,946.46, 1,268,412.80 and 269,320.54

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Solution

The fourth proportional to 845,946.46, 1,268,412.80 and 269,320.54 is: 403,819.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,946.46 : 1,268,412.80 = 269,320.54 : x
  2. Step 2: Convert to fraction form
    845,946.46/1,268,412.80 = 269,320.54/x
  3. Step 3: Cross multiply
    845,946.46x = 1,268,412.80 × 269,320.54
  4. Step 4: Simplify right side
    845,946.46x = 341,609,612,550.25
  5. Step 5: Solve for x
    x = 341,609,612,550.25/845,946.46
  6. Step 6: Final answer
    x = 403,819.43

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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.