Finding the Fourth Proportional to 747,701.84, 1,121,729.54 and 242,261.97
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Solution
The fourth proportional to 747,701.84, 1,121,729.54 and 242,261.97 is: 363,450.23
Step by Step Solution
- Step 1: Write the proportion equation
747,701.84 : 1,121,729.54 = 242,261.97 : x - Step 2: Convert to fraction form
747,701.84/1,121,729.54 = 242,261.97/x - Step 3: Cross multiply
747,701.84x = 1,121,729.54 × 242,261.97 - Step 4: Simplify right side
747,701.84x = 271,752,406,956.28 - Step 5: Solve for x
x = 271,752,406,956.28/747,701.84 - Step 6: Final answer
x = 363,450.23
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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.