Finding the Fourth Proportional to 720,474.23, 1,080,733.22 and 247,152.75
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Solution
The fourth proportional to 720,474.23, 1,080,733.22 and 247,152.75 is: 370,736.63
Step by Step Solution
- Step 1: Write the proportion equation
720,474.23 : 1,080,733.22 = 247,152.75 : x - Step 2: Convert to fraction form
720,474.23/1,080,733.22 = 247,152.75/x - Step 3: Cross multiply
720,474.23x = 1,080,733.22 × 247,152.75 - Step 4: Simplify right side
720,474.23x = 267,106,186,103.59 - Step 5: Solve for x
x = 267,106,186,103.59/720,474.23 - Step 6: Final answer
x = 370,736.63
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1.5x scale
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.