Finding the Fourth Proportional to 892,479.75, 1,338,719.63 and 227,631.75
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Solution
The fourth proportional to 892,479.75, 1,338,719.63 and 227,631.75 is: 341,447.63
Step by Step Solution
- Step 1: Write the proportion equation
892,479.75 : 1,338,719.63 = 227,631.75 : x - Step 2: Convert to fraction form
892,479.75/1,338,719.63 = 227,631.75/x - Step 3: Cross multiply
892,479.75x = 1,338,719.63 × 227,631.75 - Step 4: Simplify right side
892,479.75x = 304,735,090,998.09 - Step 5: Solve for x
x = 304,735,090,998.09/892,479.75 - Step 6: Final answer
x = 341,447.63
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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.