Finding the Fourth Proportional to 853,331.19, 1,177,593.45 and 471,357.97
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Solution
The fourth proportional to 853,331.19, 1,177,593.45 and 471,357.97 is: 650,472.02
Step by Step Solution
- Step 1: Write the proportion equation
853,331.19 : 1,177,593.45 = 471,357.97 : x - Step 2: Convert to fraction form
853,331.19/1,177,593.45 = 471,357.97/x - Step 3: Cross multiply
853,331.19x = 1,177,593.45 × 471,357.97 - Step 4: Simplify right side
853,331.19x = 555,068,059,549.29 - Step 5: Solve for x
x = 555,068,059,549.29/853,331.19 - Step 6: Final answer
x = 650,472.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.