Home / 408,834.15-613,360.58-290,736.15

Finding the Fourth Proportional to 408,834.15, 613,360.58 and 290,736.15

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Solution

The fourth proportional to 408,834.15, 613,360.58 and 290,736.15 is: 436,181.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,834.15 : 613,360.58 = 290,736.15 : x
  2. Step 2: Convert to fraction form
    408,834.15/613,360.58 = 290,736.15/x
  3. Step 3: Cross multiply
    408,834.15x = 613,360.58 × 290,736.15
  4. Step 4: Simplify right side
    408,834.15x = 178,326,092,137.29
  5. Step 5: Solve for x
    x = 178,326,092,137.29/408,834.15
  6. Step 6: Final answer
    x = 436,181.99

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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.