Home / 664,829.96-995,655.54-383,494.28

Finding the Fourth Proportional to 664,829.96, 995,655.54 and 383,494.28

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Solution

The fourth proportional to 664,829.96, 995,655.54 and 383,494.28 is: 574,324.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,829.96 : 995,655.54 = 383,494.28 : x
  2. Step 2: Convert to fraction form
    664,829.96/995,655.54 = 383,494.28/x
  3. Step 3: Cross multiply
    664,829.96x = 995,655.54 × 383,494.28
  4. Step 4: Simplify right side
    664,829.96x = 381,828,204,440.31
  5. Step 5: Solve for x
    x = 381,828,204,440.31/664,829.96
  6. Step 6: Final answer
    x = 574,324.61

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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.