Finding the Fourth Proportional to 923,554.43, 1,274,493.02 and 515,663.19
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Solution
The fourth proportional to 923,554.43, 1,274,493.02 and 515,663.19 is: 711,608.45
Step by Step Solution
- Step 1: Write the proportion equation
923,554.43 : 1,274,493.02 = 515,663.19 : x - Step 2: Convert to fraction form
923,554.43/1,274,493.02 = 515,663.19/x - Step 3: Cross multiply
923,554.43x = 1,274,493.02 × 515,663.19 - Step 4: Simplify right side
923,554.43x = 657,209,133,747.62 - Step 5: Solve for x
x = 657,209,133,747.62/923,554.43 - Step 6: Final answer
x = 711,608.45
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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.