Home / 727,146.15-1,091,217.37-253,831.42

Finding the Fourth Proportional to 727,146.15, 1,091,217.37 and 253,831.42

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Solution

The fourth proportional to 727,146.15, 1,091,217.37 and 253,831.42 is: 380,921.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,146.15 : 1,091,217.37 = 253,831.42 : x
  2. Step 2: Convert to fraction form
    727,146.15/1,091,217.37 = 253,831.42/x
  3. Step 3: Cross multiply
    727,146.15x = 1,091,217.37 × 253,831.42
  4. Step 4: Simplify right side
    727,146.15x = 276,985,253,286.61
  5. Step 5: Solve for x
    x = 276,985,253,286.61/727,146.15
  6. Step 6: Final answer
    x = 380,921.02

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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.