Home / 557,917.66-769,926.88-303,268.85

Finding the Fourth Proportional to 557,917.66, 769,926.88 and 303,268.85

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Solution

The fourth proportional to 557,917.66, 769,926.88 and 303,268.85 is: 418,511.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,917.66 : 769,926.88 = 303,268.85 : x
  2. Step 2: Convert to fraction form
    557,917.66/769,926.88 = 303,268.85/x
  3. Step 3: Cross multiply
    557,917.66x = 769,926.88 × 303,268.85
  4. Step 4: Simplify right side
    557,917.66x = 233,494,839,481.69
  5. Step 5: Solve for x
    x = 233,494,839,481.69/557,917.66
  6. Step 6: Final answer
    x = 418,511.29

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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.