Finding the Fourth Proportional to 625,221.73, 862,491.40 and 410,331.97
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Solution
The fourth proportional to 625,221.73, 862,491.40 and 410,331.97 is: 566,051.66
Step by Step Solution
- Step 1: Write the proportion equation
625,221.73 : 862,491.40 = 410,331.97 : x - Step 2: Convert to fraction form
625,221.73/862,491.40 = 410,331.97/x - Step 3: Cross multiply
625,221.73x = 862,491.40 × 410,331.97 - Step 4: Simplify right side
625,221.73x = 353,907,795,270.06 - Step 5: Solve for x
x = 353,907,795,270.06/625,221.73 - Step 6: Final answer
x = 566,051.66
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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.