Finding the Fourth Proportional to 762,657.17, 1,143,305.96 and 289,674.68
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Solution
The fourth proportional to 762,657.17, 1,143,305.96 and 289,674.68 is: 434,253.81
Step by Step Solution
- Step 1: Write the proportion equation
762,657.17 : 1,143,305.96 = 289,674.68 : x - Step 2: Convert to fraction form
762,657.17/1,143,305.96 = 289,674.68/x - Step 3: Cross multiply
762,657.17x = 1,143,305.96 × 289,674.68 - Step 4: Simplify right side
762,657.17x = 331,186,780,940.19 - Step 5: Solve for x
x = 331,186,780,940.19/762,657.17 - Step 6: Final answer
x = 434,253.81
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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.