Home / 488,305.82-673,829.36-270,499.75

Finding the Fourth Proportional to 488,305.82, 673,829.36 and 270,499.75

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Solution

The fourth proportional to 488,305.82, 673,829.36 and 270,499.75 is: 373,271.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,305.82 : 673,829.36 = 270,499.75 : x
  2. Step 2: Convert to fraction form
    488,305.82/673,829.36 = 270,499.75/x
  3. Step 3: Cross multiply
    488,305.82x = 673,829.36 × 270,499.75
  4. Step 4: Simplify right side
    488,305.82x = 182,270,673,422.66
  5. Step 5: Solve for x
    x = 182,270,673,422.66/488,305.82
  6. Step 6: Final answer
    x = 373,271.56

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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.