Finding the Fourth Proportional to 556,181.80, 834,272.70 and 416,213.80
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Solution
The fourth proportional to 556,181.80, 834,272.70 and 416,213.80 is: 624,320.70
Step by Step Solution
- Step 1: Write the proportion equation
556,181.80 : 834,272.70 = 416,213.80 : x - Step 2: Convert to fraction form
556,181.80/834,272.70 = 416,213.80/x - Step 3: Cross multiply
556,181.80x = 834,272.70 × 416,213.80 - Step 4: Simplify right side
556,181.80x = 347,235,810,703.26 - Step 5: Solve for x
x = 347,235,810,703.26/556,181.80 - Step 6: Final answer
x = 624,320.70
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1.5x scale
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.