Finding the Fourth Proportional to 972,087.36, 1,458,131.68 and 332,395.82
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Solution
The fourth proportional to 972,087.36, 1,458,131.68 and 332,395.82 is: 498,593.95
Step by Step Solution
- Step 1: Write the proportion equation
972,087.36 : 1,458,131.68 = 332,395.82 : x - Step 2: Convert to fraction form
972,087.36/1,458,131.68 = 332,395.82/x - Step 3: Cross multiply
972,087.36x = 1,458,131.68 × 332,395.82 - Step 4: Simplify right side
972,087.36x = 484,676,875,441.58 - Step 5: Solve for x
x = 484,676,875,441.58/972,087.36 - Step 6: Final answer
x = 498,593.95
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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.