Home / 677,736.05-1,016,573.36-298,555.47

Finding the Fourth Proportional to 677,736.05, 1,016,573.36 and 298,555.47

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Solution

The fourth proportional to 677,736.05, 1,016,573.36 and 298,555.47 is: 447,819.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,736.05 : 1,016,573.36 = 298,555.47 : x
  2. Step 2: Convert to fraction form
    677,736.05/1,016,573.36 = 298,555.47/x
  3. Step 3: Cross multiply
    677,736.05x = 1,016,573.36 × 298,555.47
  4. Step 4: Simplify right side
    677,736.05x = 303,503,535,791.50
  5. Step 5: Solve for x
    x = 303,503,535,791.50/677,736.05
  6. Step 6: Final answer
    x = 447,819.68

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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.