Finding the Fourth Proportional to 842,091.89, 1,263,136.08 and 336,770.96
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Solution
The fourth proportional to 842,091.89, 1,263,136.08 and 336,770.96 is: 505,155.74
Step by Step Solution
- Step 1: Write the proportion equation
842,091.89 : 1,263,136.08 = 336,770.96 : x - Step 2: Convert to fraction form
842,091.89/1,263,136.08 = 336,770.96/x - Step 3: Cross multiply
842,091.89x = 1,263,136.08 × 336,770.96 - Step 4: Simplify right side
842,091.89x = 425,387,550,272.24 - Step 5: Solve for x
x = 425,387,550,272.24/842,091.89 - Step 6: Final answer
x = 505,155.74
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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.