Finding the Fourth Proportional to 756,140.44, 1,043,624.70 and 434,068.12
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Solution
The fourth proportional to 756,140.44, 1,043,624.70 and 434,068.12 is: 599,100.63
Step by Step Solution
- Step 1: Write the proportion equation
756,140.44 : 1,043,624.70 = 434,068.12 : x - Step 2: Convert to fraction form
756,140.44/1,043,624.70 = 434,068.12/x - Step 3: Cross multiply
756,140.44x = 1,043,624.70 × 434,068.12 - Step 4: Simplify right side
756,140.44x = 453,004,211,514.56 - Step 5: Solve for x
x = 453,004,211,514.56/756,140.44 - Step 6: Final answer
x = 599,100.63
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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.