Home / 845,901.30-1,268,345.16-269,275.46

Finding the Fourth Proportional to 845,901.30, 1,268,345.16 and 269,275.46

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Solution

The fourth proportional to 845,901.30, 1,268,345.16 and 269,275.46 is: 403,751.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,901.30 : 1,268,345.16 = 269,275.46 : x
  2. Step 2: Convert to fraction form
    845,901.30/1,268,345.16 = 269,275.46/x
  3. Step 3: Cross multiply
    845,901.30x = 1,268,345.16 × 269,275.46
  4. Step 4: Simplify right side
    845,901.30x = 341,534,229,568.64
  5. Step 5: Solve for x
    x = 341,534,229,568.64/845,901.30
  6. Step 6: Final answer
    x = 403,751.87

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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.