Finding the Fourth Proportional to 898,163.10, 1,347,601.05 and 365,723.10
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Solution
The fourth proportional to 898,163.10, 1,347,601.05 and 365,723.10 is: 548,729.77
Step by Step Solution
- Step 1: Write the proportion equation
898,163.10 : 1,347,601.05 = 365,723.10 : x - Step 2: Convert to fraction form
898,163.10/1,347,601.05 = 365,723.10/x - Step 3: Cross multiply
898,163.10x = 1,347,601.05 × 365,723.10 - Step 4: Simplify right side
898,163.10x = 492,848,833,569.26 - Step 5: Solve for x
x = 492,848,833,569.26/898,163.10 - Step 6: Final answer
x = 548,729.77
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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.