Finding the Fourth Proportional to 798,790.91, 1,198,764.36 and 312,544.98
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Solution
The fourth proportional to 798,790.91, 1,198,764.36 and 312,544.98 is: 469,043.63
Step by Step Solution
- Step 1: Write the proportion equation
798,790.91 : 1,198,764.36 = 312,544.98 : x - Step 2: Convert to fraction form
798,790.91/1,198,764.36 = 312,544.98/x - Step 3: Cross multiply
798,790.91x = 1,198,764.36 × 312,544.98 - Step 4: Simplify right side
798,790.91x = 374,667,782,920.91 - Step 5: Solve for x
x = 374,667,782,920.91/798,790.91 - Step 6: Final answer
x = 469,043.63
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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.