Finding the Fourth Proportional to 853,305.51, 1,177,539.12 and 471,324.09
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Solution
The fourth proportional to 853,305.51, 1,177,539.12 and 471,324.09 is: 650,414.83
Step by Step Solution
- Step 1: Write the proportion equation
853,305.51 : 1,177,539.12 = 471,324.09 : x - Step 2: Convert to fraction form
853,305.51/1,177,539.12 = 471,324.09/x - Step 3: Cross multiply
853,305.51x = 1,177,539.12 × 471,324.09 - Step 4: Simplify right side
853,305.51x = 555,002,554,173.40 - Step 5: Solve for x
x = 555,002,554,173.40/853,305.51 - Step 6: Final answer
x = 650,414.83
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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.