Home / 558,632.25-770,906.03-303,979.05

Finding the Fourth Proportional to 558,632.25, 770,906.03 and 303,979.05

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Solution

The fourth proportional to 558,632.25, 770,906.03 and 303,979.05 is: 419,487.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,632.25 : 770,906.03 = 303,979.05 : x
  2. Step 2: Convert to fraction form
    558,632.25/770,906.03 = 303,979.05/x
  3. Step 3: Cross multiply
    558,632.25x = 770,906.03 × 303,979.05
  4. Step 4: Simplify right side
    558,632.25x = 234,339,281,118.78
  5. Step 5: Solve for x
    x = 234,339,281,118.78/558,632.25
  6. Step 6: Final answer
    x = 419,487.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.