Home / 999,680.37-1,499,366.55-325,759.96

Finding the Fourth Proportional to 999,680.37, 1,499,366.55 and 325,759.96

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Solution

The fourth proportional to 999,680.37, 1,499,366.55 and 325,759.96 is: 488,589.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,680.37 : 1,499,366.55 = 325,759.96 : x
  2. Step 2: Convert to fraction form
    999,680.37/1,499,366.55 = 325,759.96/x
  3. Step 3: Cross multiply
    999,680.37x = 1,499,366.55 × 325,759.96
  4. Step 4: Simplify right side
    999,680.37x = 488,433,588,616.75
  5. Step 5: Solve for x
    x = 488,433,588,616.75/999,680.37
  6. Step 6: Final answer
    x = 488,589.76

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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.