Finding the Fourth Proportional to 726,183.68, 1,001,724.44 and 435,720.11
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Solution
The fourth proportional to 726,183.68, 1,001,724.44 and 435,720.11 is: 601,048.32
Step by Step Solution
- Step 1: Write the proportion equation
726,183.68 : 1,001,724.44 = 435,720.11 : x - Step 2: Convert to fraction form
726,183.68/1,001,724.44 = 435,720.11/x - Step 3: Cross multiply
726,183.68x = 1,001,724.44 × 435,720.11 - Step 4: Simplify right side
726,183.68x = 436,471,475,999.27 - Step 5: Solve for x
x = 436,471,475,999.27/726,183.68 - Step 6: Final answer
x = 601,048.32
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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.