Finding the Fourth Proportional to 618,324.91, 853,243.88 and 346,346.82
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Solution
The fourth proportional to 618,324.91, 853,243.88 and 346,346.82 is: 477,933.69
Step by Step Solution
- Step 1: Write the proportion equation
618,324.91 : 853,243.88 = 346,346.82 : x - Step 2: Convert to fraction form
618,324.91/853,243.88 = 346,346.82/x - Step 3: Cross multiply
618,324.91x = 853,243.88 × 346,346.82 - Step 4: Simplify right side
618,324.91x = 295,518,302,790.73 - Step 5: Solve for x
x = 295,518,302,790.73/618,324.91 - Step 6: Final answer
x = 477,933.69
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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.