Finding the Fourth Proportional to 863,358.72, 1,294,299.56 and 331,261.62
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Solution
The fourth proportional to 863,358.72, 1,294,299.56 and 331,261.62 is: 496,609.07
Step by Step Solution
- Step 1: Write the proportion equation
863,358.72 : 1,294,299.56 = 331,261.62 : x - Step 2: Convert to fraction form
863,358.72/1,294,299.56 = 331,261.62/x - Step 3: Cross multiply
863,358.72x = 1,294,299.56 × 331,261.62 - Step 4: Simplify right side
863,358.72x = 428,751,769,010.89 - Step 5: Solve for x
x = 428,751,769,010.89/863,358.72 - Step 6: Final answer
x = 496,609.07
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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.