Finding the Fourth Proportional to 892,428.68, 1,339,174.92 and 323,854.18
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Solution
The fourth proportional to 892,428.68, 1,339,174.92 and 323,854.18 is: 485,974.29
Step by Step Solution
- Step 1: Write the proportion equation
892,428.68 : 1,339,174.92 = 323,854.18 : x - Step 2: Convert to fraction form
892,428.68/1,339,174.92 = 323,854.18/x - Step 3: Cross multiply
892,428.68x = 1,339,174.92 × 323,854.18 - Step 4: Simplify right side
892,428.68x = 433,697,395,593.17 - Step 5: Solve for x
x = 433,697,395,593.17/892,428.68 - Step 6: Final answer
x = 485,974.29
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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.