Finding the Fourth Proportional to 788,611.68, 1,183,759.56 and 339,554.88
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Solution
The fourth proportional to 788,611.68, 1,183,759.56 and 339,554.88 is: 509,694.88
Step by Step Solution
- Step 1: Write the proportion equation
788,611.68 : 1,183,759.56 = 339,554.88 : x - Step 2: Convert to fraction form
788,611.68/1,183,759.56 = 339,554.88/x - Step 3: Cross multiply
788,611.68x = 1,183,759.56 × 339,554.88 - Step 4: Simplify right side
788,611.68x = 401,951,335,344.65 - Step 5: Solve for x
x = 401,951,335,344.65/788,611.68 - Step 6: Final answer
x = 509,694.88
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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.