Home / 845,856.51-1,268,278.05-269,230.71

Finding the Fourth Proportional to 845,856.51, 1,268,278.05 and 269,230.71

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Solution

The fourth proportional to 845,856.51, 1,268,278.05 and 269,230.71 is: 403,684.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,856.51 : 1,268,278.05 = 269,230.71 : x
  2. Step 2: Convert to fraction form
    845,856.51/1,268,278.05 = 269,230.71/x
  3. Step 3: Cross multiply
    845,856.51x = 1,268,278.05 × 269,230.71
  4. Step 4: Simplify right side
    845,856.51x = 341,459,399,878.92
  5. Step 5: Solve for x
    x = 341,459,399,878.92/845,856.51
  6. Step 6: Final answer
    x = 403,684.78

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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.