Home / 322,707.20-483,477.60-263,220.80

Finding the Fourth Proportional to 322,707.20, 483,477.60 and 263,220.80

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Solution

The fourth proportional to 322,707.20, 483,477.60 and 263,220.80 is: 394,355.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,707.20 : 483,477.60 = 263,220.80 : x
  2. Step 2: Convert to fraction form
    322,707.20/483,477.60 = 263,220.80/x
  3. Step 3: Cross multiply
    322,707.20x = 483,477.60 × 263,220.80
  4. Step 4: Simplify right side
    322,707.20x = 127,261,360,654.08
  5. Step 5: Solve for x
    x = 127,261,360,654.08/322,707.20
  6. Step 6: Final answer
    x = 394,355.50

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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.