Finding the Fourth Proportional to 816,826.44, 1,225,078.14 and 776,319.42
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Solution
The fourth proportional to 816,826.44, 1,225,078.14 and 776,319.42 is: 1,164,325.62
Step by Step Solution
- Step 1: Write the proportion equation
816,826.44 : 1,225,078.14 = 776,319.42 : x - Step 2: Convert to fraction form
816,826.44/1,225,078.14 = 776,319.42/x - Step 3: Cross multiply
816,826.44x = 1,225,078.14 × 776,319.42 - Step 4: Simplify right side
816,826.44x = 951,051,951,099.48 - Step 5: Solve for x
x = 951,051,951,099.48/816,826.44 - Step 6: Final answer
x = 1,164,325.62
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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.