Finding the Fourth Proportional to 558,517.44, 770,731.20 and 303,868.88
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Solution
The fourth proportional to 558,517.44, 770,731.20 and 303,868.88 is: 419,326.61
Step by Step Solution
- Step 1: Write the proportion equation
558,517.44 : 770,731.20 = 303,868.88 : x - Step 2: Convert to fraction form
558,517.44/770,731.20 = 303,868.88/x - Step 3: Cross multiply
558,517.44x = 770,731.20 × 303,868.88 - Step 4: Simplify right side
558,517.44x = 234,201,226,525.06 - Step 5: Solve for x
x = 234,201,226,525.06/558,517.44 - Step 6: Final answer
x = 419,326.61
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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.