Home / 751,003.07-1,126,504.38-498,776.03

Finding the Fourth Proportional to 751,003.07, 1,126,504.38 and 498,776.03

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Solution

The fourth proportional to 751,003.07, 1,126,504.38 and 498,776.03 is: 748,163.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,003.07 : 1,126,504.38 = 498,776.03 : x
  2. Step 2: Convert to fraction form
    751,003.07/1,126,504.38 = 498,776.03/x
  3. Step 3: Cross multiply
    751,003.07x = 1,126,504.38 × 498,776.03
  4. Step 4: Simplify right side
    751,003.07x = 561,873,382,434.01
  5. Step 5: Solve for x
    x = 561,873,382,434.01/751,003.07
  6. Step 6: Final answer
    x = 748,163.90

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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.