Finding the Fourth Proportional to 587,474.75, 810,720.11 and 319,202.75
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Solution
The fourth proportional to 587,474.75, 810,720.11 and 319,202.75 is: 440,502.49
Step by Step Solution
- Step 1: Write the proportion equation
587,474.75 : 810,720.11 = 319,202.75 : x - Step 2: Convert to fraction form
587,474.75/810,720.11 = 319,202.75/x - Step 3: Cross multiply
587,474.75x = 810,720.11 × 319,202.75 - Step 4: Simplify right side
587,474.75x = 258,784,088,592.30 - Step 5: Solve for x
x = 258,784,088,592.30/587,474.75 - Step 6: Final answer
x = 440,502.49
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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.