Finding the Fourth Proportional to 815,296.42, 1,222,564.96 and 302,604.53
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Solution
The fourth proportional to 815,296.42, 1,222,564.96 and 302,604.53 is: 453,765.87
Step by Step Solution
- Step 1: Write the proportion equation
815,296.42 : 1,222,564.96 = 302,604.53 : x - Step 2: Convert to fraction form
815,296.42/1,222,564.96 = 302,604.53/x - Step 3: Cross multiply
815,296.42x = 1,222,564.96 × 302,604.53 - Step 4: Simplify right side
815,296.42x = 369,953,689,380.70 - Step 5: Solve for x
x = 369,953,689,380.70/815,296.42 - Step 6: Final answer
x = 453,765.87
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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.