Finding the Fourth Proportional to 685,897.27, 946,367.23 and 395,597.62
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Solution
The fourth proportional to 685,897.27, 946,367.23 and 395,597.62 is: 545,826.09
Step by Step Solution
- Step 1: Write the proportion equation
685,897.27 : 946,367.23 = 395,597.62 : x - Step 2: Convert to fraction form
685,897.27/946,367.23 = 395,597.62/x - Step 3: Cross multiply
685,897.27x = 946,367.23 × 395,597.62 - Step 4: Simplify right side
685,897.27x = 374,380,623,833.99 - Step 5: Solve for x
x = 374,380,623,833.99/685,897.27 - Step 6: Final answer
x = 545,826.09
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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.