Home / 844,814.40-1,267,221.60-445,300.80

Finding the Fourth Proportional to 844,814.40, 1,267,221.60 and 445,300.80

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Solution

The fourth proportional to 844,814.40, 1,267,221.60 and 445,300.80 is: 667,951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,814.40 : 1,267,221.60 = 445,300.80 : x
  2. Step 2: Convert to fraction form
    844,814.40/1,267,221.60 = 445,300.80/x
  3. Step 3: Cross multiply
    844,814.40x = 1,267,221.60 × 445,300.80
  4. Step 4: Simplify right side
    844,814.40x = 564,294,792,257.28
  5. Step 5: Solve for x
    x = 564,294,792,257.28/844,814.40
  6. Step 6: Final answer
    x = 667,951.20

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1.5x scale

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.