Home / 845,832.52-1,268,935.64-419,600.20

Finding the Fourth Proportional to 845,832.52, 1,268,935.64 and 419,600.20

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Solution

The fourth proportional to 845,832.52, 1,268,935.64 and 419,600.20 is: 629,493.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,832.52 : 1,268,935.64 = 419,600.20 : x
  2. Step 2: Convert to fraction form
    845,832.52/1,268,935.64 = 419,600.20/x
  3. Step 3: Cross multiply
    845,832.52x = 1,268,935.64 × 419,600.20
  4. Step 4: Simplify right side
    845,832.52x = 532,445,648,331.13
  5. Step 5: Solve for x
    x = 532,445,648,331.13/845,832.52
  6. Step 6: Final answer
    x = 629,493.00

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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.