Finding the Fourth Proportional to 870,516.24, 1,304,227.08 and 363,961.68
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Solution
The fourth proportional to 870,516.24, 1,304,227.08 and 363,961.68 is: 545,295.60
Step by Step Solution
- Step 1: Write the proportion equation
870,516.24 : 1,304,227.08 = 363,961.68 : x - Step 2: Convert to fraction form
870,516.24/1,304,227.08 = 363,961.68/x - Step 3: Cross multiply
870,516.24x = 1,304,227.08 × 363,961.68 - Step 4: Simplify right side
870,516.24x = 474,688,679,138.29 - Step 5: Solve for x
x = 474,688,679,138.29/870,516.24 - Step 6: Final answer
x = 545,295.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.