Finding the Fourth Proportional to 786,086.73, 1,084,690.31 and 441,873.99
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Solution
The fourth proportional to 786,086.73, 1,084,690.31 and 441,873.99 is: 609,724.62
Step by Step Solution
- Step 1: Write the proportion equation
786,086.73 : 1,084,690.31 = 441,873.99 : x - Step 2: Convert to fraction form
786,086.73/1,084,690.31 = 441,873.99/x - Step 3: Cross multiply
786,086.73x = 1,084,690.31 × 441,873.99 - Step 4: Simplify right side
786,086.73x = 479,296,432,984.67 - Step 5: Solve for x
x = 479,296,432,984.67/786,086.73 - Step 6: Final answer
x = 609,724.62
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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.