Home / 829,236.47-1,243,861.62-230,244.33

Finding the Fourth Proportional to 829,236.47, 1,243,861.62 and 230,244.33

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Solution

The fourth proportional to 829,236.47, 1,243,861.62 and 230,244.33 is: 345,368.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,236.47 : 1,243,861.62 = 230,244.33 : x
  2. Step 2: Convert to fraction form
    829,236.47/1,243,861.62 = 230,244.33/x
  3. Step 3: Cross multiply
    829,236.47x = 1,243,861.62 × 230,244.33
  4. Step 4: Simplify right side
    829,236.47x = 286,392,089,110.68
  5. Step 5: Solve for x
    x = 286,392,089,110.68/829,236.47
  6. Step 6: Final answer
    x = 345,368.42

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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.