Finding the Fourth Proportional to 993,338.44, 1,490,021.93 and 283,366.55
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Solution
The fourth proportional to 993,338.44, 1,490,021.93 and 283,366.55 is: 425,053.90
Step by Step Solution
- Step 1: Write the proportion equation
993,338.44 : 1,490,021.93 = 283,366.55 : x - Step 2: Convert to fraction form
993,338.44/1,490,021.93 = 283,366.55/x - Step 3: Cross multiply
993,338.44x = 1,490,021.93 × 283,366.55 - Step 4: Simplify right side
993,338.44x = 422,222,378,161.91 - Step 5: Solve for x
x = 422,222,378,161.91/993,338.44 - Step 6: Final answer
x = 425,053.90
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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.