Finding the Fourth Proportional to 434,592.20, 651,888.30 and 418,845.80
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Solution
The fourth proportional to 434,592.20, 651,888.30 and 418,845.80 is: 628,268.70
Step by Step Solution
- Step 1: Write the proportion equation
434,592.20 : 651,888.30 = 418,845.80 : x - Step 2: Convert to fraction form
434,592.20/651,888.30 = 418,845.80/x - Step 3: Cross multiply
434,592.20x = 651,888.30 × 418,845.80 - Step 4: Simplify right side
434,592.20x = 273,040,676,524.14 - Step 5: Solve for x
x = 273,040,676,524.14/434,592.20 - Step 6: Final answer
x = 628,268.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.