Finding the Fourth Proportional to 902,871.09, 1,245,935.12 and 494,958.99
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Solution
The fourth proportional to 902,871.09, 1,245,935.12 and 494,958.99 is: 683,028.61
Step by Step Solution
- Step 1: Write the proportion equation
902,871.09 : 1,245,935.12 = 494,958.99 : x - Step 2: Convert to fraction form
902,871.09/1,245,935.12 = 494,958.99/x - Step 3: Cross multiply
902,871.09x = 1,245,935.12 × 494,958.99 - Step 4: Simplify right side
902,871.09x = 616,686,789,046.09 - Step 5: Solve for x
x = 616,686,789,046.09/902,871.09 - Step 6: Final answer
x = 683,028.61
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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.