Finding the Fourth Proportional to 626,197.88, 864,153.44 and 339,717.96
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Solution
The fourth proportional to 626,197.88, 864,153.44 and 339,717.96 is: 468,810.98
Step by Step Solution
- Step 1: Write the proportion equation
626,197.88 : 864,153.44 = 339,717.96 : x - Step 2: Convert to fraction form
626,197.88/864,153.44 = 339,717.96/x - Step 3: Cross multiply
626,197.88x = 864,153.44 × 339,717.96 - Step 4: Simplify right side
626,197.88x = 293,568,443,763.78 - Step 5: Solve for x
x = 293,568,443,763.78/626,197.88 - Step 6: Final answer
x = 468,810.98
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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.