Finding the Fourth Proportional to 998,129.70, 1,497,194.55 and 366,912.90
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Solution
The fourth proportional to 998,129.70, 1,497,194.55 and 366,912.90 is: 550,369.35
Step by Step Solution
- Step 1: Write the proportion equation
998,129.70 : 1,497,194.55 = 366,912.90 : x - Step 2: Convert to fraction form
998,129.70/1,497,194.55 = 366,912.90/x - Step 3: Cross multiply
998,129.70x = 1,497,194.55 × 366,912.90 - Step 4: Simplify right side
998,129.70x = 549,339,994,204.70 - Step 5: Solve for x
x = 549,339,994,204.70/998,129.70 - Step 6: Final answer
x = 550,369.35
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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.