Finding the Fourth Proportional to 738,218.40, 1,107,327.60 and 471,185.70
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Solution
The fourth proportional to 738,218.40, 1,107,327.60 and 471,185.70 is: 706,778.55
Step by Step Solution
- Step 1: Write the proportion equation
738,218.40 : 1,107,327.60 = 471,185.70 : x - Step 2: Convert to fraction form
738,218.40/1,107,327.60 = 471,185.70/x - Step 3: Cross multiply
738,218.40x = 1,107,327.60 × 471,185.70 - Step 4: Simplify right side
738,218.40x = 521,756,930,335.32 - Step 5: Solve for x
x = 521,756,930,335.32/738,218.40 - Step 6: Final answer
x = 706,778.55
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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.