Finding the Fourth Proportional to 653,580.43, 901,968.11 and 363,190.91
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Solution
The fourth proportional to 653,580.43, 901,968.11 and 363,190.91 is: 501,218.52
Step by Step Solution
- Step 1: Write the proportion equation
653,580.43 : 901,968.11 = 363,190.91 : x - Step 2: Convert to fraction form
653,580.43/901,968.11 = 363,190.91/x - Step 3: Cross multiply
653,580.43x = 901,968.11 × 363,190.91 - Step 4: Simplify right side
653,580.43x = 327,586,615,213.36 - Step 5: Solve for x
x = 327,586,615,213.36/653,580.43 - Step 6: Final answer
x = 501,218.52
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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.