Finding the Fourth Proportional to 762,109.08, 1,051,757.94 and 422,577.36
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Solution
The fourth proportional to 762,109.08, 1,051,757.94 and 422,577.36 is: 583,183.04
Step by Step Solution
- Step 1: Write the proportion equation
762,109.08 : 1,051,757.94 = 422,577.36 : x - Step 2: Convert to fraction form
762,109.08/1,051,757.94 = 422,577.36/x - Step 3: Cross multiply
762,109.08x = 1,051,757.94 × 422,577.36 - Step 4: Simplify right side
762,109.08x = 444,449,093,644.24 - Step 5: Solve for x
x = 444,449,093,644.24/762,109.08 - Step 6: Final answer
x = 583,183.04
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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.