Finding the Fourth Proportional to 461,153.08, 687,145.36 and 410,846.62
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Solution
The fourth proportional to 461,153.08, 687,145.36 and 410,846.62 is: 612,185.76
Step by Step Solution
- Step 1: Write the proportion equation
461,153.08 : 687,145.36 = 410,846.62 : x - Step 2: Convert to fraction form
461,153.08/687,145.36 = 410,846.62/x - Step 3: Cross multiply
461,153.08x = 687,145.36 × 410,846.62 - Step 4: Simplify right side
461,153.08x = 282,311,348,604.68 - Step 5: Solve for x
x = 282,311,348,604.68/461,153.08 - Step 6: Final answer
x = 612,185.76
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.