Home / 828,831.42-1,143,785.72-466,255.56

Finding the Fourth Proportional to 828,831.42, 1,143,785.72 and 466,255.56

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Solution

The fourth proportional to 828,831.42, 1,143,785.72 and 466,255.56 is: 643,431.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,831.42 : 1,143,785.72 = 466,255.56 : x
  2. Step 2: Convert to fraction form
    828,831.42/1,143,785.72 = 466,255.56/x
  3. Step 3: Cross multiply
    828,831.42x = 1,143,785.72 × 466,255.56
  4. Step 4: Simplify right side
    828,831.42x = 533,296,449,067.33
  5. Step 5: Solve for x
    x = 533,296,449,067.33/828,831.42
  6. Step 6: Final answer
    x = 643,431.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.