Finding the Fourth Proportional to 675,423.84, 1,013,137.02 and 276,064.32
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Solution
The fourth proportional to 675,423.84, 1,013,137.02 and 276,064.32 is: 414,096.99
Step by Step Solution
- Step 1: Write the proportion equation
675,423.84 : 1,013,137.02 = 276,064.32 : x - Step 2: Convert to fraction form
675,423.84/1,013,137.02 = 276,064.32/x - Step 3: Cross multiply
675,423.84x = 1,013,137.02 × 276,064.32 - Step 4: Simplify right side
675,423.84x = 279,690,982,493.13 - Step 5: Solve for x
x = 279,690,982,493.13/675,423.84 - Step 6: Final answer
x = 414,096.99
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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.