Finding the Fourth Proportional to 870,167.79, 1,305,286.99 and 414,524.70
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Solution
The fourth proportional to 870,167.79, 1,305,286.99 and 414,524.70 is: 621,803.87
Step by Step Solution
- Step 1: Write the proportion equation
870,167.79 : 1,305,286.99 = 414,524.70 : x - Step 2: Convert to fraction form
870,167.79/1,305,286.99 = 414,524.70/x - Step 3: Cross multiply
870,167.79x = 1,305,286.99 × 414,524.70 - Step 4: Simplify right side
870,167.79x = 541,073,696,907.34 - Step 5: Solve for x
x = 541,073,696,907.34/870,167.79 - Step 6: Final answer
x = 621,803.87
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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.