Finding the Fourth Proportional to 1,021,678.44, 1,532,513.40 and 311,704.12
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Solution
The fourth proportional to 1,021,678.44, 1,532,513.40 and 311,704.12 is: 467,554.88
Step by Step Solution
- Step 1: Write the proportion equation
1,021,678.44 : 1,532,513.40 = 311,704.12 : x - Step 2: Convert to fraction form
1,021,678.44/1,532,513.40 = 311,704.12/x - Step 3: Cross multiply
1,021,678.44x = 1,532,513.40 × 311,704.12 - Step 4: Simplify right side
1,021,678.44x = 477,690,740,735.21 - Step 5: Solve for x
x = 477,690,740,735.21/1,021,678.44 - Step 6: Final answer
x = 467,554.88
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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.