Finding the Fourth Proportional to 681,861.36, 1,023,142.56 and 522,958.08
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Solution
The fourth proportional to 681,861.36, 1,023,142.56 and 522,958.08 is: 784,705.95
Step by Step Solution
- Step 1: Write the proportion equation
681,861.36 : 1,023,142.56 = 522,958.08 : x - Step 2: Convert to fraction form
681,861.36/1,023,142.56 = 522,958.08/x - Step 3: Cross multiply
681,861.36x = 1,023,142.56 × 522,958.08 - Step 4: Simplify right side
681,861.36x = 535,060,668,743.89 - Step 5: Solve for x
x = 535,060,668,743.89/681,861.36 - Step 6: Final answer
x = 784,705.95
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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.