Finding the Fourth Proportional to 889,697.59, 1,227,776.56 and 481,790.09
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Solution
The fourth proportional to 889,697.59, 1,227,776.56 and 481,790.09 is: 664,867.01
Step by Step Solution
- Step 1: Write the proportion equation
889,697.59 : 1,227,776.56 = 481,790.09 : x - Step 2: Convert to fraction form
889,697.59/1,227,776.56 = 481,790.09/x - Step 3: Cross multiply
889,697.59x = 1,227,776.56 × 481,790.09 - Step 4: Simplify right side
889,697.59x = 591,530,579,342.29 - Step 5: Solve for x
x = 591,530,579,342.29/889,697.59 - Step 6: Final answer
x = 664,867.01
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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.