Home / 664,824.96-995,648.04-383,489.28

Finding the Fourth Proportional to 664,824.96, 995,648.04 and 383,489.28

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Solution

The fourth proportional to 664,824.96, 995,648.04 and 383,489.28 is: 574,317.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,824.96 : 995,648.04 = 383,489.28 : x
  2. Step 2: Convert to fraction form
    664,824.96/995,648.04 = 383,489.28/x
  3. Step 3: Cross multiply
    664,824.96x = 995,648.04 × 383,489.28
  4. Step 4: Simplify right side
    664,824.96x = 381,820,349,993.01
  5. Step 5: Solve for x
    x = 381,820,349,993.01/664,824.96
  6. Step 6: Final answer
    x = 574,317.11

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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.