Finding the Fourth Proportional to 747,806.20, 1,121,473.98 and 242,249.88
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Solution
The fourth proportional to 747,806.20, 1,121,473.98 and 242,249.88 is: 363,298.59
Step by Step Solution
- Step 1: Write the proportion equation
747,806.20 : 1,121,473.98 = 242,249.88 : x - Step 2: Convert to fraction form
747,806.20/1,121,473.98 = 242,249.88/x - Step 3: Cross multiply
747,806.20x = 1,121,473.98 × 242,249.88 - Step 4: Simplify right side
747,806.20x = 271,676,937,078.12 - Step 5: Solve for x
x = 271,676,937,078.12/747,806.20 - Step 6: Final answer
x = 363,298.59
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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.