Finding the Fourth Proportional to 756,376.62, 1,043,799.90 and 412,212.63
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Solution
The fourth proportional to 756,376.62, 1,043,799.90 and 412,212.63 is: 568,853.52
Step by Step Solution
- Step 1: Write the proportion equation
756,376.62 : 1,043,799.90 = 412,212.63 : x - Step 2: Convert to fraction form
756,376.62/1,043,799.90 = 412,212.63/x - Step 3: Cross multiply
756,376.62x = 1,043,799.90 × 412,212.63 - Step 4: Simplify right side
756,376.62x = 430,267,501,972.74 - Step 5: Solve for x
x = 430,267,501,972.74/756,376.62 - Step 6: Final answer
x = 568,853.52
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1.5x scale
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.