Finding the Fourth Proportional to 628,338.62, 867,081.57 and 341,858.99
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Solution
The fourth proportional to 628,338.62, 867,081.57 and 341,858.99 is: 471,751.41
Step by Step Solution
- Step 1: Write the proportion equation
628,338.62 : 867,081.57 = 341,858.99 : x - Step 2: Convert to fraction form
628,338.62/867,081.57 = 341,858.99/x - Step 3: Cross multiply
628,338.62x = 867,081.57 × 341,858.99 - Step 4: Simplify right side
628,338.62x = 296,419,629,767.81 - Step 5: Solve for x
x = 296,419,629,767.81/628,338.62 - Step 6: Final answer
x = 471,751.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.