Home / 677,791.28-1,015,977.48-228,356.84

Finding the Fourth Proportional to 677,791.28, 1,015,977.48 and 228,356.84

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Solution

The fourth proportional to 677,791.28, 1,015,977.48 and 228,356.84 is: 342,296.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,791.28 : 1,015,977.48 = 228,356.84 : x
  2. Step 2: Convert to fraction form
    677,791.28/1,015,977.48 = 228,356.84/x
  3. Step 3: Cross multiply
    677,791.28x = 1,015,977.48 × 228,356.84
  4. Step 4: Simplify right side
    677,791.28x = 232,005,406,843.96
  5. Step 5: Solve for x
    x = 232,005,406,843.96/677,791.28
  6. Step 6: Final answer
    x = 342,296.24

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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.