Finding the Fourth Proportional to 763,751.20, 1,053,739.44 and 441,343.84
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Solution
The fourth proportional to 763,751.20, 1,053,739.44 and 441,343.84 is: 608,917.42
Step by Step Solution
- Step 1: Write the proportion equation
763,751.20 : 1,053,739.44 = 441,343.84 : x - Step 2: Convert to fraction form
763,751.20/1,053,739.44 = 441,343.84/x - Step 3: Cross multiply
763,751.20x = 1,053,739.44 × 441,343.84 - Step 4: Simplify right side
763,751.20x = 465,061,410,809.05 - Step 5: Solve for x
x = 465,061,410,809.05/763,751.20 - Step 6: Final answer
x = 608,917.42
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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.