Finding the Fourth Proportional to 805,496.92, 1,207,447.16 and 378,267.96
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Solution
The fourth proportional to 805,496.92, 1,207,447.16 and 378,267.96 is: 567,027.09
Step by Step Solution
- Step 1: Write the proportion equation
805,496.92 : 1,207,447.16 = 378,267.96 : x - Step 2: Convert to fraction form
805,496.92/1,207,447.16 = 378,267.96/x - Step 3: Cross multiply
805,496.92x = 1,207,447.16 × 378,267.96 - Step 4: Simplify right side
805,496.92x = 456,738,574,020.99 - Step 5: Solve for x
x = 456,738,574,020.99/805,496.92 - Step 6: Final answer
x = 567,027.09
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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.