Finding the Fourth Proportional to 560,711.44, 773,774.99 and 318,993.46
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Solution
The fourth proportional to 560,711.44, 773,774.99 and 318,993.46 is: 440,207.11
Step by Step Solution
- Step 1: Write the proportion equation
560,711.44 : 773,774.99 = 318,993.46 : x - Step 2: Convert to fraction form
560,711.44/773,774.99 = 318,993.46/x - Step 3: Cross multiply
560,711.44x = 773,774.99 × 318,993.46 - Step 4: Simplify right side
560,711.44x = 246,829,161,321.57 - Step 5: Solve for x
x = 246,829,161,321.57/560,711.44 - Step 6: Final answer
x = 440,207.11
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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.