Finding the Fourth Proportional to 726,891.70, 1,091,374.35 and 550,635.70
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Solution
The fourth proportional to 726,891.70, 1,091,374.35 and 550,635.70 is: 826,738.95
Step by Step Solution
- Step 1: Write the proportion equation
726,891.70 : 1,091,374.35 = 550,635.70 : x - Step 2: Convert to fraction form
726,891.70/1,091,374.35 = 550,635.70/x - Step 3: Cross multiply
726,891.70x = 1,091,374.35 × 550,635.70 - Step 4: Simplify right side
726,891.70x = 600,949,679,174.30 - Step 5: Solve for x
x = 600,949,679,174.30/726,891.70 - Step 6: Final answer
x = 826,738.95
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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.