Finding the Fourth Proportional to 989,118.36, 1,481,982.62 and 664,297.56
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Solution
The fourth proportional to 989,118.36, 1,481,982.62 and 664,297.56 is: 995,308.02
Step by Step Solution
- Step 1: Write the proportion equation
989,118.36 : 1,481,982.62 = 664,297.56 : x - Step 2: Convert to fraction form
989,118.36/1,481,982.62 = 664,297.56/x - Step 3: Cross multiply
989,118.36x = 1,481,982.62 × 664,297.56 - Step 4: Simplify right side
989,118.36x = 984,477,438,428.41 - Step 5: Solve for x
x = 984,477,438,428.41/989,118.36 - Step 6: Final answer
x = 995,308.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.