Finding the Fourth Proportional to 855,933.08, 1,181,185.84 and 493,354.49
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Solution
The fourth proportional to 855,933.08, 1,181,185.84 and 493,354.49 is: 680,828.15
Step by Step Solution
- Step 1: Write the proportion equation
855,933.08 : 1,181,185.84 = 493,354.49 : x - Step 2: Convert to fraction form
855,933.08/1,181,185.84 = 493,354.49/x - Step 3: Cross multiply
855,933.08x = 1,181,185.84 × 493,354.49 - Step 4: Simplify right side
855,933.08x = 582,743,337,688.42 - Step 5: Solve for x
x = 582,743,337,688.42/855,933.08 - Step 6: Final answer
x = 680,828.15
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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.