Home / 786,329.06-1,179,194.67-253,770.26

Finding the Fourth Proportional to 786,329.06, 1,179,194.67 and 253,770.26

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Solution

The fourth proportional to 786,329.06, 1,179,194.67 and 253,770.26 is: 380,558.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,329.06 : 1,179,194.67 = 253,770.26 : x
  2. Step 2: Convert to fraction form
    786,329.06/1,179,194.67 = 253,770.26/x
  3. Step 3: Cross multiply
    786,329.06x = 1,179,194.67 × 253,770.26
  4. Step 4: Simplify right side
    786,329.06x = 299,244,532,100.54
  5. Step 5: Solve for x
    x = 299,244,532,100.54/786,329.06
  6. Step 6: Final answer
    x = 380,558.92

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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.