Finding the Fourth Proportional to 681,908.58, 1,022,826.06 and 208,593.99
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Solution
The fourth proportional to 681,908.58, 1,022,826.06 and 208,593.99 is: 312,879.72
Step by Step Solution
- Step 1: Write the proportion equation
681,908.58 : 1,022,826.06 = 208,593.99 : x - Step 2: Convert to fraction form
681,908.58/1,022,826.06 = 208,593.99/x - Step 3: Cross multiply
681,908.58x = 1,022,826.06 × 208,593.99 - Step 4: Simplify right side
681,908.58x = 213,355,368,931.38 - Step 5: Solve for x
x = 213,355,368,931.38/681,908.58 - Step 6: Final answer
x = 312,879.72
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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.