Finding the Fourth Proportional to 763,399.14, 1,053,620.39 and 441,295.95
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Solution
The fourth proportional to 763,399.14, 1,053,620.39 and 441,295.95 is: 609,063.32
Step by Step Solution
- Step 1: Write the proportion equation
763,399.14 : 1,053,620.39 = 441,295.95 : x - Step 2: Convert to fraction form
763,399.14/1,053,620.39 = 441,295.95/x - Step 3: Cross multiply
763,399.14x = 1,053,620.39 × 441,295.95 - Step 4: Simplify right side
763,399.14x = 464,958,415,998.74 - Step 5: Solve for x
x = 464,958,415,998.74/763,399.14 - Step 6: Final answer
x = 609,063.32
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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.