Finding the Fourth Proportional to 904,917.62, 1,357,380.55 and 305,881.99
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Solution
The fourth proportional to 904,917.62, 1,357,380.55 and 305,881.99 is: 458,824.37
Step by Step Solution
- Step 1: Write the proportion equation
904,917.62 : 1,357,380.55 = 305,881.99 : x - Step 2: Convert to fraction form
904,917.62/1,357,380.55 = 305,881.99/x - Step 3: Cross multiply
904,917.62x = 1,357,380.55 × 305,881.99 - Step 4: Simplify right side
904,917.62x = 415,198,260,810.20 - Step 5: Solve for x
x = 415,198,260,810.20/904,917.62 - Step 6: Final answer
x = 458,824.37
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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.