Finding the Fourth Proportional to 982,755.68, 1,474,128.64 and 383,777.68
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Solution
The fourth proportional to 982,755.68, 1,474,128.64 and 383,777.68 is: 575,664.61
Step by Step Solution
- Step 1: Write the proportion equation
982,755.68 : 1,474,128.64 = 383,777.68 : x - Step 2: Convert to fraction form
982,755.68/1,474,128.64 = 383,777.68/x - Step 3: Cross multiply
982,755.68x = 1,474,128.64 × 383,777.68 - Step 4: Simplify right side
982,755.68x = 565,737,669,480.76 - Step 5: Solve for x
x = 565,737,669,480.76/982,755.68 - Step 6: Final answer
x = 575,664.61
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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.