Finding the Fourth Proportional to 658,072.26, 908,201.04 and 399,889.62
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Solution
The fourth proportional to 658,072.26, 908,201.04 and 399,889.62 is: 551,884.94
Step by Step Solution
- Step 1: Write the proportion equation
658,072.26 : 908,201.04 = 399,889.62 : x - Step 2: Convert to fraction form
658,072.26/908,201.04 = 399,889.62/x - Step 3: Cross multiply
658,072.26x = 908,201.04 × 399,889.62 - Step 4: Simplify right side
658,072.26x = 363,180,168,769.21 - Step 5: Solve for x
x = 363,180,168,769.21/658,072.26 - Step 6: Final answer
x = 551,884.94
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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.