Finding the Fourth Proportional to 434,163.20, 651,244.80 and 403,750.40
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Solution
The fourth proportional to 434,163.20, 651,244.80 and 403,750.40 is: 605,625.60
Step by Step Solution
- Step 1: Write the proportion equation
434,163.20 : 651,244.80 = 403,750.40 : x - Step 2: Convert to fraction form
434,163.20/651,244.80 = 403,750.40/x - Step 3: Cross multiply
434,163.20x = 651,244.80 × 403,750.40 - Step 4: Simplify right side
434,163.20x = 262,940,348,497.92 - Step 5: Solve for x
x = 262,940,348,497.92/434,163.20 - Step 6: Final answer
x = 605,625.60
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1.5x scale
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.