Finding the Fourth Proportional to 784,462.38, 1,177,324.05 and 405,494.10
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Solution
The fourth proportional to 784,462.38, 1,177,324.05 and 405,494.10 is: 608,567.05
Step by Step Solution
- Step 1: Write the proportion equation
784,462.38 : 1,177,324.05 = 405,494.10 : x - Step 2: Convert to fraction form
784,462.38/1,177,324.05 = 405,494.10/x - Step 3: Cross multiply
784,462.38x = 1,177,324.05 × 405,494.10 - Step 4: Simplify right side
784,462.38x = 477,397,956,063.11 - Step 5: Solve for x
x = 477,397,956,063.11/784,462.38 - Step 6: Final answer
x = 608,567.05
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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.