Finding the Fourth Proportional to 853,022.12, 1,177,170.90 and 471,074.84
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Solution
The fourth proportional to 853,022.12, 1,177,170.90 and 471,074.84 is: 650,083.49
Step by Step Solution
- Step 1: Write the proportion equation
853,022.12 : 1,177,170.90 = 471,074.84 : x - Step 2: Convert to fraction form
853,022.12/1,177,170.90 = 471,074.84/x - Step 3: Cross multiply
853,022.12x = 1,177,170.90 × 471,074.84 - Step 4: Simplify right side
853,022.12x = 554,535,593,370.16 - Step 5: Solve for x
x = 554,535,593,370.16/853,022.12 - Step 6: Final answer
x = 650,083.49
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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.