Home / 751,137.22-1,036,003.93-521,694.80

Finding the Fourth Proportional to 751,137.22, 1,036,003.93 and 521,694.80

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Solution

The fourth proportional to 751,137.22, 1,036,003.93 and 521,694.80 is: 719,546.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,137.22 : 1,036,003.93 = 521,694.80 : x
  2. Step 2: Convert to fraction form
    751,137.22/1,036,003.93 = 521,694.80/x
  3. Step 3: Cross multiply
    751,137.22x = 1,036,003.93 × 521,694.80
  4. Step 4: Simplify right side
    751,137.22x = 540,477,863,060.56
  5. Step 5: Solve for x
    x = 540,477,863,060.56/751,137.22
  6. Step 6: Final answer
    x = 719,546.11

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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.