Finding the Fourth Proportional to 723,722.18, 1,085,583.26 and 297,185.42
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Solution
The fourth proportional to 723,722.18, 1,085,583.26 and 297,185.42 is: 445,778.12
Step by Step Solution
- Step 1: Write the proportion equation
723,722.18 : 1,085,583.26 = 297,185.42 : x - Step 2: Convert to fraction form
723,722.18/1,085,583.26 = 297,185.42/x - Step 3: Cross multiply
723,722.18x = 1,085,583.26 × 297,185.42 - Step 4: Simplify right side
723,722.18x = 322,619,510,154.23 - Step 5: Solve for x
x = 322,619,510,154.23/723,722.18 - Step 6: Final answer
x = 445,778.12
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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.