Finding the Fourth Proportional to 853,589.42, 1,177,977.17 and 471,640.82
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Solution
The fourth proportional to 853,589.42, 1,177,977.17 and 471,640.82 is: 650,877.46
Step by Step Solution
- Step 1: Write the proportion equation
853,589.42 : 1,177,977.17 = 471,640.82 : x - Step 2: Convert to fraction form
853,589.42/1,177,977.17 = 471,640.82/x - Step 3: Cross multiply
853,589.42x = 1,177,977.17 × 471,640.82 - Step 4: Simplify right side
853,589.42x = 555,582,116,041.88 - Step 5: Solve for x
x = 555,582,116,041.88/853,589.42 - Step 6: Final answer
x = 650,877.46
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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.