Home / 683,491.83-1,025,234.03-278,682.45

Finding the Fourth Proportional to 683,491.83, 1,025,234.03 and 278,682.45

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Solution

The fourth proportional to 683,491.83, 1,025,234.03 and 278,682.45 is: 418,022.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,491.83 : 1,025,234.03 = 278,682.45 : x
  2. Step 2: Convert to fraction form
    683,491.83/1,025,234.03 = 278,682.45/x
  3. Step 3: Cross multiply
    683,491.83x = 1,025,234.03 × 278,682.45
  4. Step 4: Simplify right side
    683,491.83x = 285,714,729,910.36
  5. Step 5: Solve for x
    x = 285,714,729,910.36/683,491.83
  6. Step 6: Final answer
    x = 418,022.16

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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.