Finding the Fourth Proportional to 477,338.82, 658,722.58 and 355,376.53
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Solution
The fourth proportional to 477,338.82, 658,722.58 and 355,376.53 is: 490,415.90
Step by Step Solution
- Step 1: Write the proportion equation
477,338.82 : 658,722.58 = 355,376.53 : x - Step 2: Convert to fraction form
477,338.82/658,722.58 = 355,376.53/x - Step 3: Cross multiply
477,338.82x = 658,722.58 × 355,376.53 - Step 4: Simplify right side
477,338.82x = 234,094,544,713.05 - Step 5: Solve for x
x = 234,094,544,713.05/477,338.82 - Step 6: Final answer
x = 490,415.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.