Finding the Fourth Proportional to 879,268.67, 1,318,213.98 and 347,187.96
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Solution
The fourth proportional to 879,268.67, 1,318,213.98 and 347,187.96 is: 520,509.87
Step by Step Solution
- Step 1: Write the proportion equation
879,268.67 : 1,318,213.98 = 347,187.96 : x - Step 2: Convert to fraction form
879,268.67/1,318,213.98 = 347,187.96/x - Step 3: Cross multiply
879,268.67x = 1,318,213.98 × 347,187.96 - Step 4: Simplify right side
879,268.67x = 457,668,022,559.68 - Step 5: Solve for x
x = 457,668,022,559.68/879,268.67 - Step 6: Final answer
x = 520,509.87
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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.