Finding the Fourth Proportional to 853,761.36, 1,178,191.08 and 471,788.14
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Solution
The fourth proportional to 853,761.36, 1,178,191.08 and 471,788.14 is: 651,067.86
Step by Step Solution
- Step 1: Write the proportion equation
853,761.36 : 1,178,191.08 = 471,788.14 : x - Step 2: Convert to fraction form
853,761.36/1,178,191.08 = 471,788.14/x - Step 3: Cross multiply
853,761.36x = 1,178,191.08 × 471,788.14 - Step 4: Simplify right side
853,761.36x = 555,856,578,197.79 - Step 5: Solve for x
x = 555,856,578,197.79/853,761.36 - Step 6: Final answer
x = 651,067.86
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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.