Finding the Fourth Proportional to 853,627.14, 1,178,003.05 and 471,651.19
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Solution
The fourth proportional to 853,627.14, 1,178,003.05 and 471,651.19 is: 650,877.31
Step by Step Solution
- Step 1: Write the proportion equation
853,627.14 : 1,178,003.05 = 471,651.19 : x - Step 2: Convert to fraction form
853,627.14/1,178,003.05 = 471,651.19/x - Step 3: Cross multiply
853,627.14x = 1,178,003.05 × 471,651.19 - Step 4: Simplify right side
853,627.14x = 555,606,536,231.99 - Step 5: Solve for x
x = 555,606,536,231.99/853,627.14 - Step 6: Final answer
x = 650,877.31
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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.