Finding the Fourth Proportional to 751,766.84, 1,037,485.48 and 412,235.10
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Solution
The fourth proportional to 751,766.84, 1,037,485.48 and 412,235.10 is: 568,910.34
Step by Step Solution
- Step 1: Write the proportion equation
751,766.84 : 1,037,485.48 = 412,235.10 : x - Step 2: Convert to fraction form
751,766.84/1,037,485.48 = 412,235.10/x - Step 3: Cross multiply
751,766.84x = 1,037,485.48 × 412,235.10 - Step 4: Simplify right side
751,766.84x = 427,687,930,596.35 - Step 5: Solve for x
x = 427,687,930,596.35/751,766.84 - Step 6: Final answer
x = 568,910.34
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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.