Finding the Fourth Proportional to 738,979.73, 1,019,705.37 and 416,670.62
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Solution
The fourth proportional to 738,979.73, 1,019,705.37 and 416,670.62 is: 574,956.59
Step by Step Solution
- Step 1: Write the proportion equation
738,979.73 : 1,019,705.37 = 416,670.62 : x - Step 2: Convert to fraction form
738,979.73/1,019,705.37 = 416,670.62/x - Step 3: Cross multiply
738,979.73x = 1,019,705.37 × 416,670.62 - Step 4: Simplify right side
738,979.73x = 424,881,268,735.23 - Step 5: Solve for x
x = 424,881,268,735.23/738,979.73 - Step 6: Final answer
x = 574,956.59
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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.