Finding the Fourth Proportional to 901,762.89, 1,351,745.63 and 451,108.05
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Solution
The fourth proportional to 901,762.89, 1,351,745.63 and 451,108.05 is: 676,212.49
Step by Step Solution
- Step 1: Write the proportion equation
901,762.89 : 1,351,745.63 = 451,108.05 : x - Step 2: Convert to fraction form
901,762.89/1,351,745.63 = 451,108.05/x - Step 3: Cross multiply
901,762.89x = 1,351,745.63 × 451,108.05 - Step 4: Simplify right side
901,762.89x = 609,783,329,612.39 - Step 5: Solve for x
x = 609,783,329,612.39/901,762.89 - Step 6: Final answer
x = 676,212.49
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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.