Finding the Fourth Proportional to 560,387.68, 773,380.80 and 318,745.84
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Solution
The fourth proportional to 560,387.68, 773,380.80 and 318,745.84 is: 439,895.31
Step by Step Solution
- Step 1: Write the proportion equation
560,387.68 : 773,380.80 = 318,745.84 : x - Step 2: Convert to fraction form
560,387.68/773,380.80 = 318,745.84/x - Step 3: Cross multiply
560,387.68x = 773,380.80 × 318,745.84 - Step 4: Simplify right side
560,387.68x = 246,511,912,735.87 - Step 5: Solve for x
x = 246,511,912,735.87/560,387.68 - Step 6: Final answer
x = 439,895.31
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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.