Finding the Fourth Proportional to 796,430.79, 1,099,074.02 and 438,734.79
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Solution
The fourth proportional to 796,430.79, 1,099,074.02 and 438,734.79 is: 605,453.75
Step by Step Solution
- Step 1: Write the proportion equation
796,430.79 : 1,099,074.02 = 438,734.79 : x - Step 2: Convert to fraction form
796,430.79/1,099,074.02 = 438,734.79/x - Step 3: Cross multiply
796,430.79x = 1,099,074.02 × 438,734.79 - Step 4: Simplify right side
796,430.79x = 482,202,007,165.48 - Step 5: Solve for x
x = 482,202,007,165.48/796,430.79 - Step 6: Final answer
x = 605,453.75
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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.