Finding the Fourth Proportional to 823,701.60, 1,236,243.60 and 403,336.80
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Solution
The fourth proportional to 823,701.60, 1,236,243.60 and 403,336.80 is: 605,343.66
Step by Step Solution
- Step 1: Write the proportion equation
823,701.60 : 1,236,243.60 = 403,336.80 : x - Step 2: Convert to fraction form
823,701.60/1,236,243.60 = 403,336.80/x - Step 3: Cross multiply
823,701.60x = 1,236,243.60 × 403,336.80 - Step 4: Simplify right side
823,701.60x = 498,622,537,644.48 - Step 5: Solve for x
x = 498,622,537,644.48/823,701.60 - Step 6: Final answer
x = 605,343.66
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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.