Home / 845,911.05-1,268,359.77-269,285.25

Finding the Fourth Proportional to 845,911.05, 1,268,359.77 and 269,285.25

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Solution

The fourth proportional to 845,911.05, 1,268,359.77 and 269,285.25 is: 403,766.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,911.05 : 1,268,359.77 = 269,285.25 : x
  2. Step 2: Convert to fraction form
    845,911.05/1,268,359.77 = 269,285.25/x
  3. Step 3: Cross multiply
    845,911.05x = 1,268,359.77 × 269,285.25
  4. Step 4: Simplify right side
    845,911.05x = 341,550,577,754.39
  5. Step 5: Solve for x
    x = 341,550,577,754.39/845,911.05
  6. Step 6: Final answer
    x = 403,766.54

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1.5x scale

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.