Finding the Fourth Proportional to 694,396.35, 958,244.93 and 388,478.08
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Solution
The fourth proportional to 694,396.35, 958,244.93 and 388,478.08 is: 536,087.42
Step by Step Solution
- Step 1: Write the proportion equation
694,396.35 : 958,244.93 = 388,478.08 : x - Step 2: Convert to fraction form
694,396.35/958,244.93 = 388,478.08/x - Step 3: Cross multiply
694,396.35x = 958,244.93 × 388,478.08 - Step 4: Simplify right side
694,396.35x = 372,257,150,576.13 - Step 5: Solve for x
x = 372,257,150,576.13/694,396.35 - Step 6: Final answer
x = 536,087.42
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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.