Finding the Fourth Proportional to 618,896.23, 853,874.76 and 360,713.99
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Solution
The fourth proportional to 618,896.23, 853,874.76 and 360,713.99 is: 497,667.56
Step by Step Solution
- Step 1: Write the proportion equation
618,896.23 : 853,874.76 = 360,713.99 : x - Step 2: Convert to fraction form
618,896.23/853,874.76 = 360,713.99/x - Step 3: Cross multiply
618,896.23x = 853,874.76 × 360,713.99 - Step 4: Simplify right side
618,896.23x = 308,004,575,127.26 - Step 5: Solve for x
x = 308,004,575,127.26/618,896.23 - Step 6: Final answer
x = 497,667.56
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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.