Home / 625,536.20-938,085.60-325,917.20

Finding the Fourth Proportional to 625,536.20, 938,085.60 and 325,917.20

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Solution

The fourth proportional to 625,536.20, 938,085.60 and 325,917.20 is: 488,761.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,536.20 : 938,085.60 = 325,917.20 : x
  2. Step 2: Convert to fraction form
    625,536.20/938,085.60 = 325,917.20/x
  3. Step 3: Cross multiply
    625,536.20x = 938,085.60 × 325,917.20
  4. Step 4: Simplify right side
    625,536.20x = 305,738,232,112.32
  5. Step 5: Solve for x
    x = 305,738,232,112.32/625,536.20
  6. Step 6: Final answer
    x = 488,761.85

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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.