Home / 677,555.52-1,015,969.68-228,126.48

Finding the Fourth Proportional to 677,555.52, 1,015,969.68 and 228,126.48

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Solution

The fourth proportional to 677,555.52, 1,015,969.68 and 228,126.48 is: 342,067.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,555.52 : 1,015,969.68 = 228,126.48 : x
  2. Step 2: Convert to fraction form
    677,555.52/1,015,969.68 = 228,126.48/x
  3. Step 3: Cross multiply
    677,555.52x = 1,015,969.68 × 228,126.48
  4. Step 4: Simplify right side
    677,555.52x = 231,769,586,885.13
  5. Step 5: Solve for x
    x = 231,769,586,885.13/677,555.52
  6. Step 6: Final answer
    x = 342,067.30

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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.