Finding the Fourth Proportional to 526,832.84, 789,764.87 and 189,791.08
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Solution
The fourth proportional to 526,832.84, 789,764.87 and 189,791.08 is: 284,512.11
Step by Step Solution
- Step 1: Write the proportion equation
526,832.84 : 789,764.87 = 189,791.08 : x - Step 2: Convert to fraction form
526,832.84/789,764.87 = 189,791.08/x - Step 3: Cross multiply
526,832.84x = 789,764.87 × 189,791.08 - Step 4: Simplify right side
526,832.84x = 149,890,326,123.43 - Step 5: Solve for x
x = 149,890,326,123.43/526,832.84 - Step 6: Final answer
x = 284,512.11
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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.