Finding the Fourth Proportional to 618,540.10, 853,570.88 and 363,907.68
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Solution
The fourth proportional to 618,540.10, 853,570.88 and 363,907.68 is: 502,184.09
Step by Step Solution
- Step 1: Write the proportion equation
618,540.10 : 853,570.88 = 363,907.68 : x - Step 2: Convert to fraction form
618,540.10/853,570.88 = 363,907.68/x - Step 3: Cross multiply
618,540.10x = 853,570.88 × 363,907.68 - Step 4: Simplify right side
618,540.10x = 310,620,998,656.36 - Step 5: Solve for x
x = 310,620,998,656.36/618,540.10 - Step 6: Final answer
x = 502,184.09
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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.