Finding the Fourth Proportional to 809,220.19, 1,116,723.86 and 451,524.19
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Solution
The fourth proportional to 809,220.19, 1,116,723.86 and 451,524.19 is: 623,103.38
Step by Step Solution
- Step 1: Write the proportion equation
809,220.19 : 1,116,723.86 = 451,524.19 : x - Step 2: Convert to fraction form
809,220.19/1,116,723.86 = 451,524.19/x - Step 3: Cross multiply
809,220.19x = 1,116,723.86 × 451,524.19 - Step 4: Simplify right side
809,220.19x = 504,227,832,983.96 - Step 5: Solve for x
x = 504,227,832,983.96/809,220.19 - Step 6: Final answer
x = 623,103.38
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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.