Finding the Fourth Proportional to 724,497.20, 1,086,697.20 and 192,006.80
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Solution
The fourth proportional to 724,497.20, 1,086,697.20 and 192,006.80 is: 287,997.32
Step by Step Solution
- Step 1: Write the proportion equation
724,497.20 : 1,086,697.20 = 192,006.80 : x - Step 2: Convert to fraction form
724,497.20/1,086,697.20 = 192,006.80/x - Step 3: Cross multiply
724,497.20x = 1,086,697.20 × 192,006.80 - Step 4: Simplify right side
724,497.20x = 208,653,251,940.96 - Step 5: Solve for x
x = 208,653,251,940.96/724,497.20 - Step 6: Final answer
x = 287,997.32
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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.