Finding the Fourth Proportional to 690,268.87, 1,035,473.99 and 264,163.10
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Solution
The fourth proportional to 690,268.87, 1,035,473.99 and 264,163.10 is: 396,271.70
Step by Step Solution
- Step 1: Write the proportion equation
690,268.87 : 1,035,473.99 = 264,163.10 : x - Step 2: Convert to fraction form
690,268.87/1,035,473.99 = 264,163.10/x - Step 3: Cross multiply
690,268.87x = 1,035,473.99 × 264,163.10 - Step 4: Simplify right side
690,268.87x = 273,534,019,167.77 - Step 5: Solve for x
x = 273,534,019,167.77/690,268.87 - Step 6: Final answer
x = 396,271.70
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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.