Finding the Fourth Proportional to 642,907.73, 964,164.72 and 444,503.09
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Solution
The fourth proportional to 642,907.73, 964,164.72 and 444,503.09 is: 666,618.52
Step by Step Solution
- Step 1: Write the proportion equation
642,907.73 : 964,164.72 = 444,503.09 : x - Step 2: Convert to fraction form
642,907.73/964,164.72 = 444,503.09/x - Step 3: Cross multiply
642,907.73x = 964,164.72 × 444,503.09 - Step 4: Simplify right side
642,907.73x = 428,574,197,308.99 - Step 5: Solve for x
x = 428,574,197,308.99/642,907.73 - Step 6: Final answer
x = 666,618.52
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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.