Finding the Fourth Proportional to 688,249.44, 1,030,712.97 and 413,906.70
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Solution
The fourth proportional to 688,249.44, 1,030,712.97 and 413,906.70 is: 619,861.03
Step by Step Solution
- Step 1: Write the proportion equation
688,249.44 : 1,030,712.97 = 413,906.70 : x - Step 2: Convert to fraction form
688,249.44/1,030,712.97 = 413,906.70/x - Step 3: Cross multiply
688,249.44x = 1,030,712.97 × 413,906.70 - Step 4: Simplify right side
688,249.44x = 426,619,004,059.90 - Step 5: Solve for x
x = 426,619,004,059.90/688,249.44 - Step 6: Final answer
x = 619,861.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.