Finding the Fourth Proportional to 798,462.30, 1,197,882.23 and 258,717.68
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Solution
The fourth proportional to 798,462.30, 1,197,882.23 and 258,717.68 is: 388,137.69
Step by Step Solution
- Step 1: Write the proportion equation
798,462.30 : 1,197,882.23 = 258,717.68 : x - Step 2: Convert to fraction form
798,462.30/1,197,882.23 = 258,717.68/x - Step 3: Cross multiply
798,462.30x = 1,197,882.23 × 258,717.68 - Step 4: Simplify right side
798,462.30x = 309,913,311,458.83 - Step 5: Solve for x
x = 309,913,311,458.83/798,462.30 - Step 6: Final answer
x = 388,137.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.