Home / 677,785.29-1,015,968.56-228,350.88

Finding the Fourth Proportional to 677,785.29, 1,015,968.56 and 228,350.88

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Solution

The fourth proportional to 677,785.29, 1,015,968.56 and 228,350.88 is: 342,287.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,785.29 : 1,015,968.56 = 228,350.88 : x
  2. Step 2: Convert to fraction form
    677,785.29/1,015,968.56 = 228,350.88/x
  3. Step 3: Cross multiply
    677,785.29x = 1,015,968.56 × 228,350.88
  4. Step 4: Simplify right side
    677,785.29x = 231,997,313,586.58
  5. Step 5: Solve for x
    x = 231,997,313,586.58/677,785.29
  6. Step 6: Final answer
    x = 342,287.33

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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.