Home / 493,895.39-739,691.24-418,750.07

Finding the Fourth Proportional to 493,895.39, 739,691.24 and 418,750.07

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Solution

The fourth proportional to 493,895.39, 739,691.24 and 418,750.07 is: 627,148.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,895.39 : 739,691.24 = 418,750.07 : x
  2. Step 2: Convert to fraction form
    493,895.39/739,691.24 = 418,750.07/x
  3. Step 3: Cross multiply
    493,895.39x = 739,691.24 × 418,750.07
  4. Step 4: Simplify right side
    493,895.39x = 309,745,752,736.18
  5. Step 5: Solve for x
    x = 309,745,752,736.18/493,895.39
  6. Step 6: Final answer
    x = 627,148.51

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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.