Finding the Fourth Proportional to 624,757.76, 862,136.16 and 370,067.84
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Solution
The fourth proportional to 624,757.76, 862,136.16 and 370,067.84 is: 510,676.12
Step by Step Solution
- Step 1: Write the proportion equation
624,757.76 : 862,136.16 = 370,067.84 : x - Step 2: Convert to fraction form
624,757.76/862,136.16 = 370,067.84/x - Step 3: Cross multiply
624,757.76x = 862,136.16 × 370,067.84 - Step 4: Simplify right side
624,757.76x = 319,048,866,517.09 - Step 5: Solve for x
x = 319,048,866,517.09/624,757.76 - Step 6: Final answer
x = 510,676.12
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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.