Finding the Fourth Proportional to 558,930.12, 771,279.26 and 317,212.68
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Solution
The fourth proportional to 558,930.12, 771,279.26 and 317,212.68 is: 437,728.35
Step by Step Solution
- Step 1: Write the proportion equation
558,930.12 : 771,279.26 = 317,212.68 : x - Step 2: Convert to fraction form
558,930.12/771,279.26 = 317,212.68/x - Step 3: Cross multiply
558,930.12x = 771,279.26 × 317,212.68 - Step 4: Simplify right side
558,930.12x = 244,659,561,093.02 - Step 5: Solve for x
x = 244,659,561,093.02/558,930.12 - Step 6: Final answer
x = 437,728.35
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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.