Home / 488,977.54-674,699.78-282,170.48

Finding the Fourth Proportional to 488,977.54, 674,699.78 and 282,170.48

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Solution

The fourth proportional to 488,977.54, 674,699.78 and 282,170.48 is: 389,343.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,977.54 : 674,699.78 = 282,170.48 : x
  2. Step 2: Convert to fraction form
    488,977.54/674,699.78 = 282,170.48/x
  3. Step 3: Cross multiply
    488,977.54x = 674,699.78 × 282,170.48
  4. Step 4: Simplify right side
    488,977.54x = 190,380,363,826.66
  5. Step 5: Solve for x
    x = 190,380,363,826.66/488,977.54
  6. Step 6: Final answer
    x = 389,343.78

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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.