Finding the Fourth Proportional to 987,677.24, 1,481,505.05 and 239,723.24
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Solution
The fourth proportional to 987,677.24, 1,481,505.05 and 239,723.24 is: 359,582.24
Step by Step Solution
- Step 1: Write the proportion equation
987,677.24 : 1,481,505.05 = 239,723.24 : x - Step 2: Convert to fraction form
987,677.24/1,481,505.05 = 239,723.24/x - Step 3: Cross multiply
987,677.24x = 1,481,505.05 × 239,723.24 - Step 4: Simplify right side
987,677.24x = 355,151,190,662.36 - Step 5: Solve for x
x = 355,151,190,662.36/987,677.24 - Step 6: Final answer
x = 359,582.24
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.