Home / 683,492.23-1,025,234.62-278,682.85

Finding the Fourth Proportional to 683,492.23, 1,025,234.62 and 278,682.85

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Solution

The fourth proportional to 683,492.23, 1,025,234.62 and 278,682.85 is: 418,022.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,492.23 : 1,025,234.62 = 278,682.85 : x
  2. Step 2: Convert to fraction form
    683,492.23/1,025,234.62 = 278,682.85/x
  3. Step 3: Cross multiply
    683,492.23x = 1,025,234.62 × 278,682.85
  4. Step 4: Simplify right side
    683,492.23x = 285,715,307,686.65
  5. Step 5: Solve for x
    x = 285,715,307,686.65/683,492.23
  6. Step 6: Final answer
    x = 418,022.76

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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.