Finding the Fourth Proportional to 989,024.80, 1,483,450.80 and 324,176.80
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Solution
The fourth proportional to 989,024.80, 1,483,450.80 and 324,176.80 is: 486,236.88
Step by Step Solution
- Step 1: Write the proportion equation
989,024.80 : 1,483,450.80 = 324,176.80 : x - Step 2: Convert to fraction form
989,024.80/1,483,450.80 = 324,176.80/x - Step 3: Cross multiply
989,024.80x = 1,483,450.80 × 324,176.80 - Step 4: Simplify right side
989,024.80x = 480,900,333,301.44 - Step 5: Solve for x
x = 480,900,333,301.44/989,024.80 - Step 6: Final answer
x = 486,236.88
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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.