Finding the Fourth Proportional to 748,232.40, 1,122,450.18 and 242,628.48
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Solution
The fourth proportional to 748,232.40, 1,122,450.18 and 242,628.48 is: 363,975.66
Step by Step Solution
- Step 1: Write the proportion equation
748,232.40 : 1,122,450.18 = 242,628.48 : x - Step 2: Convert to fraction form
748,232.40/1,122,450.18 = 242,628.48/x - Step 3: Cross multiply
748,232.40x = 1,122,450.18 × 242,628.48 - Step 4: Simplify right side
748,232.40x = 272,338,381,049.13 - Step 5: Solve for x
x = 272,338,381,049.13/748,232.40 - Step 6: Final answer
x = 363,975.66
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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.