Finding the Fourth Proportional to 816,204.60, 1,126,188.36 and 493,850.52
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Solution
The fourth proportional to 816,204.60, 1,126,188.36 and 493,850.52 is: 681,408.44
Step by Step Solution
- Step 1: Write the proportion equation
816,204.60 : 1,126,188.36 = 493,850.52 : x - Step 2: Convert to fraction form
816,204.60/1,126,188.36 = 493,850.52/x - Step 3: Cross multiply
816,204.60x = 1,126,188.36 × 493,850.52 - Step 4: Simplify right side
816,204.60x = 556,168,707,203.95 - Step 5: Solve for x
x = 556,168,707,203.95/816,204.60 - Step 6: Final answer
x = 681,408.44
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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.