Finding the Fourth Proportional to 892,429.68, 1,339,176.42 and 323,855.18
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Solution
The fourth proportional to 892,429.68, 1,339,176.42 and 323,855.18 is: 485,975.78
Step by Step Solution
- Step 1: Write the proportion equation
892,429.68 : 1,339,176.42 = 323,855.18 : x - Step 2: Convert to fraction form
892,429.68/1,339,176.42 = 323,855.18/x - Step 3: Cross multiply
892,429.68x = 1,339,176.42 × 323,855.18 - Step 4: Simplify right side
892,429.68x = 433,699,213,854.97 - Step 5: Solve for x
x = 433,699,213,854.97/892,429.68 - Step 6: Final answer
x = 485,975.78
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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.