Finding the Fourth Proportional to 777,221.38, 1,165,357.16 and 372,537.42
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Solution
The fourth proportional to 777,221.38, 1,165,357.16 and 372,537.42 is: 558,578.50
Step by Step Solution
- Step 1: Write the proportion equation
777,221.38 : 1,165,357.16 = 372,537.42 : x - Step 2: Convert to fraction form
777,221.38/1,165,357.16 = 372,537.42/x - Step 3: Cross multiply
777,221.38x = 1,165,357.16 × 372,537.42 - Step 4: Simplify right side
777,221.38x = 434,139,149,764.93 - Step 5: Solve for x
x = 434,139,149,764.93/777,221.38 - Step 6: Final answer
x = 558,578.50
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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.