Finding the Fourth Proportional to 875,731.12, 1,313,774.60 and 276,785.84
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Solution
The fourth proportional to 875,731.12, 1,313,774.60 and 276,785.84 is: 415,234.99
Step by Step Solution
- Step 1: Write the proportion equation
875,731.12 : 1,313,774.60 = 276,785.84 : x - Step 2: Convert to fraction form
875,731.12/1,313,774.60 = 276,785.84/x - Step 3: Cross multiply
875,731.12x = 1,313,774.60 × 276,785.84 - Step 4: Simplify right side
875,731.12x = 363,634,206,231.66 - Step 5: Solve for x
x = 363,634,206,231.66/875,731.12 - Step 6: Final answer
x = 415,234.99
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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.