Home / 488,076.20-673,508.24-270,283.80

Finding the Fourth Proportional to 488,076.20, 673,508.24 and 270,283.80

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Solution

The fourth proportional to 488,076.20, 673,508.24 and 270,283.80 is: 372,971.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,076.20 : 673,508.24 = 270,283.80 : x
  2. Step 2: Convert to fraction form
    488,076.20/673,508.24 = 270,283.80/x
  3. Step 3: Cross multiply
    488,076.20x = 673,508.24 × 270,283.80
  4. Step 4: Simplify right side
    488,076.20x = 182,038,367,114.22
  5. Step 5: Solve for x
    x = 182,038,367,114.22/488,076.20
  6. Step 6: Final answer
    x = 372,971.21

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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.