Finding the Fourth Proportional to 472,678.48, 652,615.73 and 363,589.10
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Solution
The fourth proportional to 472,678.48, 652,615.73 and 363,589.10 is: 501,998.66
Step by Step Solution
- Step 1: Write the proportion equation
472,678.48 : 652,615.73 = 363,589.10 : x - Step 2: Convert to fraction form
472,678.48/652,615.73 = 363,589.10/x - Step 3: Cross multiply
472,678.48x = 652,615.73 × 363,589.10 - Step 4: Simplify right side
472,678.48x = 237,283,965,916.54 - Step 5: Solve for x
x = 237,283,965,916.54/472,678.48 - Step 6: Final answer
x = 501,998.66
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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.