Finding the Fourth Proportional to 580,617.14, 801,231.09 and 325,979.06
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Solution
The fourth proportional to 580,617.14, 801,231.09 and 325,979.06 is: 449,839.56
Step by Step Solution
- Step 1: Write the proportion equation
580,617.14 : 801,231.09 = 325,979.06 : x - Step 2: Convert to fraction form
580,617.14/801,231.09 = 325,979.06/x - Step 3: Cross multiply
580,617.14x = 801,231.09 × 325,979.06 - Step 4: Simplify right side
580,617.14x = 261,184,557,560.98 - Step 5: Solve for x
x = 261,184,557,560.98/580,617.14 - Step 6: Final answer
x = 449,839.56
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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.