Home / 845,474.64-1,268,256.56-214,393.92

Finding the Fourth Proportional to 845,474.64, 1,268,256.56 and 214,393.92

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Solution

The fourth proportional to 845,474.64, 1,268,256.56 and 214,393.92 is: 321,602.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,474.64 : 1,268,256.56 = 214,393.92 : x
  2. Step 2: Convert to fraction form
    845,474.64/1,268,256.56 = 214,393.92/x
  3. Step 3: Cross multiply
    845,474.64x = 1,268,256.56 × 214,393.92
  4. Step 4: Simplify right side
    845,474.64x = 271,906,495,464.12
  5. Step 5: Solve for x
    x = 271,906,495,464.12/845,474.64
  6. Step 6: Final answer
    x = 321,602.19

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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.