Finding the Fourth Proportional to 853,744.16, 1,178,167.36 and 471,770.94
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Solution
The fourth proportional to 853,744.16, 1,178,167.36 and 471,770.94 is: 651,044.12
Step by Step Solution
- Step 1: Write the proportion equation
853,744.16 : 1,178,167.36 = 471,770.94 : x - Step 2: Convert to fraction form
853,744.16/1,178,167.36 = 471,770.94/x - Step 3: Cross multiply
853,744.16x = 1,178,167.36 × 471,770.94 - Step 4: Simplify right side
853,744.16x = 555,825,114,654.83 - Step 5: Solve for x
x = 555,825,114,654.83/853,744.16 - Step 6: Final answer
x = 651,044.12
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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.