Finding the Fourth Proportional to 939,720.96, 1,409,568.84 and 229,755.12
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Solution
The fourth proportional to 939,720.96, 1,409,568.84 and 229,755.12 is: 344,629.60
Step by Step Solution
- Step 1: Write the proportion equation
939,720.96 : 1,409,568.84 = 229,755.12 : x - Step 2: Convert to fraction form
939,720.96/1,409,568.84 = 229,755.12/x - Step 3: Cross multiply
939,720.96x = 1,409,568.84 × 229,755.12 - Step 4: Simplify right side
939,720.96x = 323,855,657,982.46 - Step 5: Solve for x
x = 323,855,657,982.46/939,720.96 - Step 6: Final answer
x = 344,629.60
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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.