Finding the Fourth Proportional to 872,265.21, 1,307,861.99 and 339,164.82
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Solution
The fourth proportional to 872,265.21, 1,307,861.99 and 339,164.82 is: 508,538.89
Step by Step Solution
- Step 1: Write the proportion equation
872,265.21 : 1,307,861.99 = 339,164.82 : x - Step 2: Convert to fraction form
872,265.21/1,307,861.99 = 339,164.82/x - Step 3: Cross multiply
872,265.21x = 1,307,861.99 × 339,164.82 - Step 4: Simplify right side
872,265.21x = 443,580,777,907.04 - Step 5: Solve for x
x = 443,580,777,907.04/872,265.21 - Step 6: Final answer
x = 508,538.89
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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.