Finding the Fourth Proportional to 631,768.52, 871,338.94 and 477,235.44
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Solution
The fourth proportional to 631,768.52, 871,338.94 and 477,235.44 is: 658,205.99
Step by Step Solution
- Step 1: Write the proportion equation
631,768.52 : 871,338.94 = 477,235.44 : x - Step 2: Convert to fraction form
631,768.52/871,338.94 = 477,235.44/x - Step 3: Cross multiply
631,768.52x = 871,338.94 × 477,235.44 - Step 4: Simplify right side
631,768.52x = 415,833,822,420.03 - Step 5: Solve for x
x = 415,833,822,420.03/631,768.52 - Step 6: Final answer
x = 658,205.99
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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.