Finding the Fourth Proportional to 534,615.66, 737,770.14 and 289,600.97
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Solution
The fourth proportional to 534,615.66, 737,770.14 and 289,600.97 is: 399,649.62
Step by Step Solution
- Step 1: Write the proportion equation
534,615.66 : 737,770.14 = 289,600.97 : x - Step 2: Convert to fraction form
534,615.66/737,770.14 = 289,600.97/x - Step 3: Cross multiply
534,615.66x = 737,770.14 × 289,600.97 - Step 4: Simplify right side
534,615.66x = 213,658,944,492.19 - Step 5: Solve for x
x = 213,658,944,492.19/534,615.66 - Step 6: Final answer
x = 399,649.62
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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.