Home / 751,454.44-1,037,010.78-449,648.44

Finding the Fourth Proportional to 751,454.44, 1,037,010.78 and 449,648.44

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Solution

The fourth proportional to 751,454.44, 1,037,010.78 and 449,648.44 is: 620,517.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,454.44 : 1,037,010.78 = 449,648.44 : x
  2. Step 2: Convert to fraction form
    751,454.44/1,037,010.78 = 449,648.44/x
  3. Step 3: Cross multiply
    751,454.44x = 1,037,010.78 × 449,648.44
  4. Step 4: Simplify right side
    751,454.44x = 466,290,276,897.66
  5. Step 5: Solve for x
    x = 466,290,276,897.66/751,454.44
  6. Step 6: Final answer
    x = 620,517.03

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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.