Finding the Fourth Proportional to 809,224.75, 1,116,730.16 and 451,528.75
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Solution
The fourth proportional to 809,224.75, 1,116,730.16 and 451,528.75 is: 623,109.68
Step by Step Solution
- Step 1: Write the proportion equation
809,224.75 : 1,116,730.16 = 451,528.75 : x - Step 2: Convert to fraction form
809,224.75/1,116,730.16 = 451,528.75/x - Step 3: Cross multiply
809,224.75x = 1,116,730.16 × 451,528.75 - Step 4: Simplify right side
809,224.75x = 504,235,773,232.10 - Step 5: Solve for x
x = 504,235,773,232.10/809,224.75 - Step 6: Final answer
x = 623,109.68
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1.5x scale
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.