Finding the Fourth Proportional to 852,745.29, 1,278,690.05 and 283,926.03
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Solution
The fourth proportional to 852,745.29, 1,278,690.05 and 283,926.03 is: 425,746.58
Step by Step Solution
- Step 1: Write the proportion equation
852,745.29 : 1,278,690.05 = 283,926.03 : x - Step 2: Convert to fraction form
852,745.29/1,278,690.05 = 283,926.03/x - Step 3: Cross multiply
852,745.29x = 1,278,690.05 × 283,926.03 - Step 4: Simplify right side
852,745.29x = 363,053,388,077.37 - Step 5: Solve for x
x = 363,053,388,077.37/852,745.29 - Step 6: Final answer
x = 425,746.58
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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.