Finding the Fourth Proportional to 755,770.26, 1,043,010.12 and 416,238.42
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Solution
The fourth proportional to 755,770.26, 1,043,010.12 and 416,238.42 is: 574,434.99
Step by Step Solution
- Step 1: Write the proportion equation
755,770.26 : 1,043,010.12 = 416,238.42 : x - Step 2: Convert to fraction form
755,770.26/1,043,010.12 = 416,238.42/x - Step 3: Cross multiply
755,770.26x = 1,043,010.12 × 416,238.42 - Step 4: Simplify right side
755,770.26x = 434,140,884,392.81 - Step 5: Solve for x
x = 434,140,884,392.81/755,770.26 - Step 6: Final answer
x = 574,434.99
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1.5x scale
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.