Finding the Fourth Proportional to 623,516.97, 860,380.30 and 351,568.68
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Solution
The fourth proportional to 623,516.97, 860,380.30 and 351,568.68 is: 485,123.55
Step by Step Solution
- Step 1: Write the proportion equation
623,516.97 : 860,380.30 = 351,568.68 : x - Step 2: Convert to fraction form
623,516.97/860,380.30 = 351,568.68/x - Step 3: Cross multiply
623,516.97x = 860,380.30 × 351,568.68 - Step 4: Simplify right side
623,516.97x = 302,482,766,369.00 - Step 5: Solve for x
x = 302,482,766,369.00/623,516.97 - Step 6: Final answer
x = 485,123.55
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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.