Finding the Fourth Proportional to 560,713.92, 773,778.42 and 318,995.96
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Solution
The fourth proportional to 560,713.92, 773,778.42 and 318,995.96 is: 440,210.56
Step by Step Solution
- Step 1: Write the proportion equation
560,713.92 : 773,778.42 = 318,995.96 : x - Step 2: Convert to fraction form
560,713.92/773,778.42 = 318,995.96/x - Step 3: Cross multiply
560,713.92x = 773,778.42 × 318,995.96 - Step 4: Simplify right side
560,713.92x = 246,832,189,915.18 - Step 5: Solve for x
x = 246,832,189,915.18/560,713.92 - Step 6: Final answer
x = 440,210.56
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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.