Finding the Fourth Proportional to 718,836.14, 1,078,069.68 and 213,277.52
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Solution
The fourth proportional to 718,836.14, 1,078,069.68 and 213,277.52 is: 319,861.52
Step by Step Solution
- Step 1: Write the proportion equation
718,836.14 : 1,078,069.68 = 213,277.52 : x - Step 2: Convert to fraction form
718,836.14/1,078,069.68 = 213,277.52/x - Step 3: Cross multiply
718,836.14x = 1,078,069.68 × 213,277.52 - Step 4: Simplify right side
718,836.14x = 229,928,022,347.25 - Step 5: Solve for x
x = 229,928,022,347.25/718,836.14 - Step 6: Final answer
x = 319,861.52
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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.