Home / 522,022.20-782,450.10-222,451.80

Finding the Fourth Proportional to 522,022.20, 782,450.10 and 222,451.80

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Solution

The fourth proportional to 522,022.20, 782,450.10 and 222,451.80 is: 333,429.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,022.20 : 782,450.10 = 222,451.80 : x
  2. Step 2: Convert to fraction form
    522,022.20/782,450.10 = 222,451.80/x
  3. Step 3: Cross multiply
    522,022.20x = 782,450.10 × 222,451.80
  4. Step 4: Simplify right side
    522,022.20x = 174,057,433,155.18
  5. Step 5: Solve for x
    x = 174,057,433,155.18/522,022.20
  6. Step 6: Final answer
    x = 333,429.18

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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.