Home / 921,993.64-1,380,382.44-488,723.88

Finding the Fourth Proportional to 921,993.64, 1,380,382.44 and 488,723.88

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Solution

The fourth proportional to 921,993.64, 1,380,382.44 and 488,723.88 is: 731,703.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,993.64 : 1,380,382.44 = 488,723.88 : x
  2. Step 2: Convert to fraction form
    921,993.64/1,380,382.44 = 488,723.88/x
  3. Step 3: Cross multiply
    921,993.64x = 1,380,382.44 × 488,723.88
  4. Step 4: Simplify right side
    921,993.64x = 674,625,861,960.67
  5. Step 5: Solve for x
    x = 674,625,861,960.67/921,993.64
  6. Step 6: Final answer
    x = 731,703.38

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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.