Finding the Fourth Proportional to 850,064.55, 1,274,504.99 and 376,493.19
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Solution
The fourth proportional to 850,064.55, 1,274,504.99 and 376,493.19 is: 564,477.66
Step by Step Solution
- Step 1: Write the proportion equation
850,064.55 : 1,274,504.99 = 376,493.19 : x - Step 2: Convert to fraction form
850,064.55/1,274,504.99 = 376,493.19/x - Step 3: Cross multiply
850,064.55x = 1,274,504.99 × 376,493.19 - Step 4: Simplify right side
850,064.55x = 479,842,447,473.55 - Step 5: Solve for x
x = 479,842,447,473.55/850,064.55 - Step 6: Final answer
x = 564,477.66
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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.