Home / 558,568.20-770,811.66-303,920.04

Finding the Fourth Proportional to 558,568.20, 770,811.66 and 303,920.04

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Solution

The fourth proportional to 558,568.20, 770,811.66 and 303,920.04 is: 419,402.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,568.20 : 770,811.66 = 303,920.04 : x
  2. Step 2: Convert to fraction form
    558,568.20/770,811.66 = 303,920.04/x
  3. Step 3: Cross multiply
    558,568.20x = 770,811.66 × 303,920.04
  4. Step 4: Simplify right side
    558,568.20x = 234,265,110,539.67
  5. Step 5: Solve for x
    x = 234,265,110,539.67/558,568.20
  6. Step 6: Final answer
    x = 419,402.88

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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.