Finding the Fourth Proportional to 739,175.20, 1,108,762.80 and 664,379.80
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Solution
The fourth proportional to 739,175.20, 1,108,762.80 and 664,379.80 is: 996,569.70
Step by Step Solution
- Step 1: Write the proportion equation
739,175.20 : 1,108,762.80 = 664,379.80 : x - Step 2: Convert to fraction form
739,175.20/1,108,762.80 = 664,379.80/x - Step 3: Cross multiply
739,175.20x = 1,108,762.80 × 664,379.80 - Step 4: Simplify right side
739,175.20x = 736,639,607,311.44 - Step 5: Solve for x
x = 736,639,607,311.44/739,175.20 - Step 6: Final answer
x = 996,569.70
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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.