Finding the Fourth Proportional to 543,949.35, 750,604.99 and 298,921.23
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Solution
The fourth proportional to 543,949.35, 750,604.99 and 298,921.23 is: 412,486.50
Step by Step Solution
- Step 1: Write the proportion equation
543,949.35 : 750,604.99 = 298,921.23 : x - Step 2: Convert to fraction form
543,949.35/750,604.99 = 298,921.23/x - Step 3: Cross multiply
543,949.35x = 750,604.99 × 298,921.23 - Step 4: Simplify right side
543,949.35x = 224,371,764,978.43 - Step 5: Solve for x
x = 224,371,764,978.43/543,949.35 - Step 6: Final answer
x = 412,486.50
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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.