Home / 451,814.20-677,721.30-444,815.80

Finding the Fourth Proportional to 451,814.20, 677,721.30 and 444,815.80

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Solution

The fourth proportional to 451,814.20, 677,721.30 and 444,815.80 is: 667,223.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,814.20 : 677,721.30 = 444,815.80 : x
  2. Step 2: Convert to fraction form
    451,814.20/677,721.30 = 444,815.80/x
  3. Step 3: Cross multiply
    451,814.20x = 677,721.30 × 444,815.80
  4. Step 4: Simplify right side
    451,814.20x = 301,461,142,236.54
  5. Step 5: Solve for x
    x = 301,461,142,236.54/451,814.20
  6. Step 6: Final answer
    x = 667,223.70

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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.