Finding the Fourth Proportional to 747,701.46, 1,121,728.97 and 242,261.60
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Solution
The fourth proportional to 747,701.46, 1,121,728.97 and 242,261.60 is: 363,449.67
Step by Step Solution
- Step 1: Write the proportion equation
747,701.46 : 1,121,728.97 = 242,261.60 : x - Step 2: Convert to fraction form
747,701.46/1,121,728.97 = 242,261.60/x - Step 3: Cross multiply
747,701.46x = 1,121,728.97 × 242,261.60 - Step 4: Simplify right side
747,701.46x = 271,751,850,035.56 - Step 5: Solve for x
x = 271,751,850,035.56/747,701.46 - Step 6: Final answer
x = 363,449.67
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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.