Finding the Fourth Proportional to 695,619.14, 1,043,517.81 and 215,878.82
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Solution
The fourth proportional to 695,619.14, 1,043,517.81 and 215,878.82 is: 323,845.88
Step by Step Solution
- Step 1: Write the proportion equation
695,619.14 : 1,043,517.81 = 215,878.82 : x - Step 2: Convert to fraction form
695,619.14/1,043,517.81 = 215,878.82/x - Step 3: Cross multiply
695,619.14x = 1,043,517.81 × 215,878.82 - Step 4: Simplify right side
695,619.14x = 225,273,393,471.78 - Step 5: Solve for x
x = 225,273,393,471.78/695,619.14 - Step 6: Final answer
x = 323,845.88
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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.