Finding the Fourth Proportional to 673,770.70, 1,010,656.05 and 274,205.80
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Solution
The fourth proportional to 673,770.70, 1,010,656.05 and 274,205.80 is: 411,308.70
Step by Step Solution
- Step 1: Write the proportion equation
673,770.70 : 1,010,656.05 = 274,205.80 : x - Step 2: Convert to fraction form
673,770.70/1,010,656.05 = 274,205.80/x - Step 3: Cross multiply
673,770.70x = 1,010,656.05 × 274,205.80 - Step 4: Simplify right side
673,770.70x = 277,127,750,715.09 - Step 5: Solve for x
x = 277,127,750,715.09/673,770.70 - Step 6: Final answer
x = 411,308.70
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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.