Finding the Fourth Proportional to 625,810.36, 863,571.08 and 353,903.68
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Solution
The fourth proportional to 625,810.36, 863,571.08 and 353,903.68 is: 488,360.38
Step by Step Solution
- Step 1: Write the proportion equation
625,810.36 : 863,571.08 = 353,903.68 : x - Step 2: Convert to fraction form
625,810.36/863,571.08 = 353,903.68/x - Step 3: Cross multiply
625,810.36x = 863,571.08 × 353,903.68 - Step 4: Simplify right side
625,810.36x = 305,620,983,153.57 - Step 5: Solve for x
x = 305,620,983,153.57/625,810.36 - Step 6: Final answer
x = 488,360.38
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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.