Finding the Fourth Proportional to 587,919.50, 811,305.42 and 346,212.26
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Solution
The fourth proportional to 587,919.50, 811,305.42 and 346,212.26 is: 477,759.09
Step by Step Solution
- Step 1: Write the proportion equation
587,919.50 : 811,305.42 = 346,212.26 : x - Step 2: Convert to fraction form
587,919.50/811,305.42 = 346,212.26/x - Step 3: Cross multiply
587,919.50x = 811,305.42 × 346,212.26 - Step 4: Simplify right side
587,919.50x = 280,883,883,008.45 - Step 5: Solve for x
x = 280,883,883,008.45/587,919.50 - Step 6: Final answer
x = 477,759.09
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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.