Home / 724,744.20-1,086,007.86-303,790.44

Finding the Fourth Proportional to 724,744.20, 1,086,007.86 and 303,790.44

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Solution

The fourth proportional to 724,744.20, 1,086,007.86 and 303,790.44 is: 455,221.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,744.20 : 1,086,007.86 = 303,790.44 : x
  2. Step 2: Convert to fraction form
    724,744.20/1,086,007.86 = 303,790.44/x
  3. Step 3: Cross multiply
    724,744.20x = 1,086,007.86 × 303,790.44
  4. Step 4: Simplify right side
    724,744.20x = 329,918,805,632.86
  5. Step 5: Solve for x
    x = 329,918,805,632.86/724,744.20
  6. Step 6: Final answer
    x = 455,221.04

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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.