Finding the Fourth Proportional to 756,181.98, 1,043,524.62 and 416,647.80
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Solution
The fourth proportional to 756,181.98, 1,043,524.62 and 416,647.80 is: 574,970.38
Step by Step Solution
- Step 1: Write the proportion equation
756,181.98 : 1,043,524.62 = 416,647.80 : x - Step 2: Convert to fraction form
756,181.98/1,043,524.62 = 416,647.80/x - Step 3: Cross multiply
756,181.98x = 1,043,524.62 × 416,647.80 - Step 4: Simplify right side
756,181.98x = 434,782,237,168.84 - Step 5: Solve for x
x = 434,782,237,168.84/756,181.98 - Step 6: Final answer
x = 574,970.38
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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.