Finding the Fourth Proportional to 902,975.42, 1,246,264.80 and 685,902.98
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Solution
The fourth proportional to 902,975.42, 1,246,264.80 and 685,902.98 is: 946,666.68
Step by Step Solution
- Step 1: Write the proportion equation
902,975.42 : 1,246,264.80 = 685,902.98 : x - Step 2: Convert to fraction form
902,975.42/1,246,264.80 = 685,902.98/x - Step 3: Cross multiply
902,975.42x = 1,246,264.80 × 685,902.98 - Step 4: Simplify right side
902,975.42x = 854,816,740,189.10 - Step 5: Solve for x
x = 854,816,740,189.10/902,975.42 - Step 6: Final answer
x = 946,666.68
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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.