Home / 845,328.96-1,268,187.84-276,728.40

Finding the Fourth Proportional to 845,328.96, 1,268,187.84 and 276,728.40

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Solution

The fourth proportional to 845,328.96, 1,268,187.84 and 276,728.40 is: 415,156.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,328.96 : 1,268,187.84 = 276,728.40 : x
  2. Step 2: Convert to fraction form
    845,328.96/1,268,187.84 = 276,728.40/x
  3. Step 3: Cross multiply
    845,328.96x = 1,268,187.84 × 276,728.40
  4. Step 4: Simplify right side
    845,328.96x = 350,943,591,862.66
  5. Step 5: Solve for x
    x = 350,943,591,862.66/845,328.96
  6. Step 6: Final answer
    x = 415,156.24

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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.