Finding the Fourth Proportional to 744,022.80, 1,115,433.18 and 263,986.02
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Solution
The fourth proportional to 744,022.80, 1,115,433.18 and 263,986.02 is: 395,765.78
Step by Step Solution
- Step 1: Write the proportion equation
744,022.80 : 1,115,433.18 = 263,986.02 : x - Step 2: Convert to fraction form
744,022.80/1,115,433.18 = 263,986.02/x - Step 3: Cross multiply
744,022.80x = 1,115,433.18 × 263,986.02 - Step 4: Simplify right side
744,022.80x = 294,458,765,764.14 - Step 5: Solve for x
x = 294,458,765,764.14/744,022.80 - Step 6: Final answer
x = 395,765.78
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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.