Finding the Fourth Proportional to 626,318.11, 939,594.20 and 284,786.62
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Solution
The fourth proportional to 626,318.11, 939,594.20 and 284,786.62 is: 427,233.15
Step by Step Solution
- Step 1: Write the proportion equation
626,318.11 : 939,594.20 = 284,786.62 : x - Step 2: Convert to fraction form
626,318.11/939,594.20 = 284,786.62/x - Step 3: Cross multiply
626,318.11x = 939,594.20 × 284,786.62 - Step 4: Simplify right side
626,318.11x = 267,583,856,389.60 - Step 5: Solve for x
x = 267,583,856,389.60/626,318.11 - Step 6: Final answer
x = 427,233.15
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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.