Home / 681,481.08-1,020,911.45-381,050.46

Finding the Fourth Proportional to 681,481.08, 1,020,911.45 and 381,050.46

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Solution

The fourth proportional to 681,481.08, 1,020,911.45 and 381,050.46 is: 570,843.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,481.08 : 1,020,911.45 = 381,050.46 : x
  2. Step 2: Convert to fraction form
    681,481.08/1,020,911.45 = 381,050.46/x
  3. Step 3: Cross multiply
    681,481.08x = 1,020,911.45 × 381,050.46
  4. Step 4: Simplify right side
    681,481.08x = 389,018,775,736.52
  5. Step 5: Solve for x
    x = 389,018,775,736.52/681,481.08
  6. Step 6: Final answer
    x = 570,843.11

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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.