Home / 751,331.42-1,126,640.37-435,885.02

Finding the Fourth Proportional to 751,331.42, 1,126,640.37 and 435,885.02

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Solution

The fourth proportional to 751,331.42, 1,126,640.37 and 435,885.02 is: 653,620.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,331.42 : 1,126,640.37 = 435,885.02 : x
  2. Step 2: Convert to fraction form
    751,331.42/1,126,640.37 = 435,885.02/x
  3. Step 3: Cross multiply
    751,331.42x = 1,126,640.37 × 435,885.02
  4. Step 4: Simplify right side
    751,331.42x = 491,085,660,210.26
  5. Step 5: Solve for x
    x = 491,085,660,210.26/751,331.42
  6. Step 6: Final answer
    x = 653,620.56

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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.