Finding the Fourth Proportional to 641,343.68, 885,040.62 and 350,954.09
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Solution
The fourth proportional to 641,343.68, 885,040.62 and 350,954.09 is: 484,309.17
Step by Step Solution
- Step 1: Write the proportion equation
641,343.68 : 885,040.62 = 350,954.09 : x - Step 2: Convert to fraction form
641,343.68/885,040.62 = 350,954.09/x - Step 3: Cross multiply
641,343.68x = 885,040.62 × 350,954.09 - Step 4: Simplify right side
641,343.68x = 310,608,620,979.93 - Step 5: Solve for x
x = 310,608,620,979.93/641,343.68 - Step 6: Final answer
x = 484,309.17
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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.