Finding the Fourth Proportional to 751,928.44, 1,128,187.86 and 330,908.98
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Solution
The fourth proportional to 751,928.44, 1,128,187.86 and 330,908.98 is: 496,493.38
Step by Step Solution
- Step 1: Write the proportion equation
751,928.44 : 1,128,187.86 = 330,908.98 : x - Step 2: Convert to fraction form
751,928.44/1,128,187.86 = 330,908.98/x - Step 3: Cross multiply
751,928.44x = 1,128,187.86 × 330,908.98 - Step 4: Simplify right side
751,928.44x = 373,327,494,000.98 - Step 5: Solve for x
x = 373,327,494,000.98/751,928.44 - Step 6: Final answer
x = 496,493.38
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.