Finding the Fourth Proportional to 531,310.40, 796,965.60 and 306,670.40
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Solution
The fourth proportional to 531,310.40, 796,965.60 and 306,670.40 is: 460,005.60
Step by Step Solution
- Step 1: Write the proportion equation
531,310.40 : 796,965.60 = 306,670.40 : x - Step 2: Convert to fraction form
531,310.40/796,965.60 = 306,670.40/x - Step 3: Cross multiply
531,310.40x = 796,965.60 × 306,670.40 - Step 4: Simplify right side
531,310.40x = 244,405,759,338.24 - Step 5: Solve for x
x = 244,405,759,338.24/531,310.40 - Step 6: Final answer
x = 460,005.60
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Similar ratio
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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.