Home / 785,175.20-1,083,546.96-445,649.12

Finding the Fourth Proportional to 785,175.20, 1,083,546.96 and 445,649.12

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Solution

The fourth proportional to 785,175.20, 1,083,546.96 and 445,649.12 is: 614,998.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,175.20 : 1,083,546.96 = 445,649.12 : x
  2. Step 2: Convert to fraction form
    785,175.20/1,083,546.96 = 445,649.12/x
  3. Step 3: Cross multiply
    785,175.20x = 1,083,546.96 × 445,649.12
  4. Step 4: Simplify right side
    785,175.20x = 482,881,749,202.68
  5. Step 5: Solve for x
    x = 482,881,749,202.68/785,175.20
  6. Step 6: Final answer
    x = 614,998.73

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Double scale
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1.5x scale

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.