Finding the Fourth Proportional to 1,045,454.13, 1,568,198.37 and 287,290.85
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Solution
The fourth proportional to 1,045,454.13, 1,568,198.37 and 287,290.85 is: 430,940.99
Step by Step Solution
- Step 1: Write the proportion equation
1,045,454.13 : 1,568,198.37 = 287,290.85 : x - Step 2: Convert to fraction form
1,045,454.13/1,568,198.37 = 287,290.85/x - Step 3: Cross multiply
1,045,454.13x = 1,568,198.37 × 287,290.85 - Step 4: Simplify right side
1,045,454.13x = 450,529,034,844.92 - Step 5: Solve for x
x = 450,529,034,844.92/1,045,454.13 - Step 6: Final answer
x = 430,940.99
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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.