Finding the Fourth Proportional to 606,902.10, 910,243.80 and 381,859.80
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Solution
The fourth proportional to 606,902.10, 910,243.80 and 381,859.80 is: 572,720.90
Step by Step Solution
- Step 1: Write the proportion equation
606,902.10 : 910,243.80 = 381,859.80 : x - Step 2: Convert to fraction form
606,902.10/910,243.80 = 381,859.80/x - Step 3: Cross multiply
606,902.10x = 910,243.80 × 381,859.80 - Step 4: Simplify right side
606,902.10x = 347,585,515,419.24 - Step 5: Solve for x
x = 347,585,515,419.24/606,902.10 - Step 6: Final answer
x = 572,720.90
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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.