Finding the Fourth Proportional to 625,809.62, 863,634.26 and 353,918.18
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Solution
The fourth proportional to 625,809.62, 863,634.26 and 353,918.18 is: 488,416.69
Step by Step Solution
- Step 1: Write the proportion equation
625,809.62 : 863,634.26 = 353,918.18 : x - Step 2: Convert to fraction form
625,809.62/863,634.26 = 353,918.18/x - Step 3: Cross multiply
625,809.62x = 863,634.26 × 353,918.18 - Step 4: Simplify right side
625,809.62x = 305,655,859,397.09 - Step 5: Solve for x
x = 305,655,859,397.09/625,809.62 - Step 6: Final answer
x = 488,416.69
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1.5x scale
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.