Finding the Fourth Proportional to 804,919.80, 1,207,379.70 and 804,919.80
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Solution
The fourth proportional to 804,919.80, 1,207,379.70 and 804,919.80 is: 1,207,379.70
Step by Step Solution
- Step 1: Write the proportion equation
804,919.80 : 1,207,379.70 = 804,919.80 : x - Step 2: Convert to fraction form
804,919.80/1,207,379.70 = 804,919.80/x - Step 3: Cross multiply
804,919.80x = 1,207,379.70 × 804,919.80 - Step 4: Simplify right side
804,919.80x = 971,843,826,648.06 - Step 5: Solve for x
x = 971,843,826,648.06/804,919.80 - Step 6: Final answer
x = 1,207,379.70
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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.