Finding the Fourth Proportional to 979,043.68, 1,468,298.20 and 268,902.88
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Solution
The fourth proportional to 979,043.68, 1,468,298.20 and 268,902.88 is: 403,280.90
Step by Step Solution
- Step 1: Write the proportion equation
979,043.68 : 1,468,298.20 = 268,902.88 : x - Step 2: Convert to fraction form
979,043.68/1,468,298.20 = 268,902.88/x - Step 3: Cross multiply
979,043.68x = 1,468,298.20 × 268,902.88 - Step 4: Simplify right side
979,043.68x = 394,829,614,678.82 - Step 5: Solve for x
x = 394,829,614,678.82/979,043.68 - Step 6: Final answer
x = 403,280.90
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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.