Finding the Fourth Proportional to 853,743.24, 1,178,166.11 and 471,770.03
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Solution
The fourth proportional to 853,743.24, 1,178,166.11 and 471,770.03 is: 651,042.87
Step by Step Solution
- Step 1: Write the proportion equation
853,743.24 : 1,178,166.11 = 471,770.03 : x - Step 2: Convert to fraction form
853,743.24/1,178,166.11 = 471,770.03/x - Step 3: Cross multiply
853,743.24x = 1,178,166.11 × 471,770.03 - Step 4: Simplify right side
853,743.24x = 555,823,452,810.00 - Step 5: Solve for x
x = 555,823,452,810.00/853,743.24 - Step 6: Final answer
x = 651,042.87
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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.