Home / 552,836.08-762,787.56-311,030.42

Finding the Fourth Proportional to 552,836.08, 762,787.56 and 311,030.42

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Solution

The fourth proportional to 552,836.08, 762,787.56 and 311,030.42 is: 429,150.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,836.08 : 762,787.56 = 311,030.42 : x
  2. Step 2: Convert to fraction form
    552,836.08/762,787.56 = 311,030.42/x
  3. Step 3: Cross multiply
    552,836.08x = 762,787.56 × 311,030.42
  4. Step 4: Simplify right side
    552,836.08x = 237,250,138,469.58
  5. Step 5: Solve for x
    x = 237,250,138,469.58/552,836.08
  6. Step 6: Final answer
    x = 429,150.97

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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.