Home / 497,942.46-687,151.68-291,230.82

Finding the Fourth Proportional to 497,942.46, 687,151.68 and 291,230.82

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Solution

The fourth proportional to 497,942.46, 687,151.68 and 291,230.82 is: 401,893.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,942.46 : 687,151.68 = 291,230.82 : x
  2. Step 2: Convert to fraction form
    497,942.46/687,151.68 = 291,230.82/x
  3. Step 3: Cross multiply
    497,942.46x = 687,151.68 × 291,230.82
  4. Step 4: Simplify right side
    497,942.46x = 200,119,747,230.78
  5. Step 5: Solve for x
    x = 200,119,747,230.78/497,942.46
  6. Step 6: Final answer
    x = 401,893.32

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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.