Finding the Fourth Proportional to 823,695.60, 1,236,234.60 and 403,330.80
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Solution
The fourth proportional to 823,695.60, 1,236,234.60 and 403,330.80 is: 605,334.65
Step by Step Solution
- Step 1: Write the proportion equation
823,695.60 : 1,236,234.60 = 403,330.80 : x - Step 2: Convert to fraction form
823,695.60/1,236,234.60 = 403,330.80/x - Step 3: Cross multiply
823,695.60x = 1,236,234.60 × 403,330.80 - Step 4: Simplify right side
823,695.60x = 498,611,490,205.68 - Step 5: Solve for x
x = 498,611,490,205.68/823,695.60 - Step 6: Final answer
x = 605,334.65
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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.