Finding the Fourth Proportional to 756,036.30, 1,043,318.43 and 416,516.70
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Solution
The fourth proportional to 756,036.30, 1,043,318.43 and 416,516.70 is: 574,786.62
Step by Step Solution
- Step 1: Write the proportion equation
756,036.30 : 1,043,318.43 = 416,516.70 : x - Step 2: Convert to fraction form
756,036.30/1,043,318.43 = 416,516.70/x - Step 3: Cross multiply
756,036.30x = 1,043,318.43 × 416,516.70 - Step 4: Simplify right side
756,036.30x = 434,559,549,512.78 - Step 5: Solve for x
x = 434,559,549,512.78/756,036.30 - Step 6: Final answer
x = 574,786.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.