Finding the Fourth Proportional to 558,168.60, 770,306.26 and 328,878.68
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Solution
The fourth proportional to 558,168.60, 770,306.26 and 328,878.68 is: 453,872.37
Step by Step Solution
- Step 1: Write the proportion equation
558,168.60 : 770,306.26 = 328,878.68 : x - Step 2: Convert to fraction form
558,168.60/770,306.26 = 328,878.68/x - Step 3: Cross multiply
558,168.60x = 770,306.26 × 328,878.68 - Step 4: Simplify right side
558,168.60x = 253,337,305,984.54 - Step 5: Solve for x
x = 253,337,305,984.54/558,168.60 - Step 6: Final answer
x = 453,872.37
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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.