Finding the Fourth Proportional to 479,891.64, 718,991.82 and 427,766.52
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Solution
The fourth proportional to 479,891.64, 718,991.82 and 427,766.52 is: 640,895.99
Step by Step Solution
- Step 1: Write the proportion equation
479,891.64 : 718,991.82 = 427,766.52 : x - Step 2: Convert to fraction form
479,891.64/718,991.82 = 427,766.52/x - Step 3: Cross multiply
479,891.64x = 718,991.82 × 427,766.52 - Step 4: Simplify right side
479,891.64x = 307,560,628,749.87 - Step 5: Solve for x
x = 307,560,628,749.87/479,891.64 - Step 6: Final answer
x = 640,895.99
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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.