Finding the Fourth Proportional to 804,577.38, 1,110,125.36 and 455,720.81
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Solution
The fourth proportional to 804,577.38, 1,110,125.36 and 455,720.81 is: 628,786.29
Step by Step Solution
- Step 1: Write the proportion equation
804,577.38 : 1,110,125.36 = 455,720.81 : x - Step 2: Convert to fraction form
804,577.38/1,110,125.36 = 455,720.81/x - Step 3: Cross multiply
804,577.38x = 1,110,125.36 × 455,720.81 - Step 4: Simplify right side
804,577.38x = 505,907,220,431.51 - Step 5: Solve for x
x = 505,907,220,431.51/804,577.38 - Step 6: Final answer
x = 628,786.29
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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.