Finding the Fourth Proportional to 833,155.74, 1,149,755.85 and 451,182.96
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Solution
The fourth proportional to 833,155.74, 1,149,755.85 and 451,182.96 is: 622,632.99
Step by Step Solution
- Step 1: Write the proportion equation
833,155.74 : 1,149,755.85 = 451,182.96 : x - Step 2: Convert to fraction form
833,155.74/1,149,755.85 = 451,182.96/x - Step 3: Cross multiply
833,155.74x = 1,149,755.85 × 451,182.96 - Step 4: Simplify right side
833,155.74x = 518,750,247,680.32 - Step 5: Solve for x
x = 518,750,247,680.32/833,155.74 - Step 6: Final answer
x = 622,632.99
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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.