Home / 862,910.74-1,294,365.48-231,824.26

Finding the Fourth Proportional to 862,910.74, 1,294,365.48 and 231,824.26

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Solution

The fourth proportional to 862,910.74, 1,294,365.48 and 231,824.26 is: 347,736.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,910.74 : 1,294,365.48 = 231,824.26 : x
  2. Step 2: Convert to fraction form
    862,910.74/1,294,365.48 = 231,824.26/x
  3. Step 3: Cross multiply
    862,910.74x = 1,294,365.48 × 231,824.26
  4. Step 4: Simplify right side
    862,910.74x = 300,065,319,570.55
  5. Step 5: Solve for x
    x = 300,065,319,570.55/862,910.74
  6. Step 6: Final answer
    x = 347,736.22

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Double scale
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Similar ratio
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1.5x scale

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.