Finding the Fourth Proportional to 576,489.78, 864,514.35 and 276,886.98
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Solution
The fourth proportional to 576,489.78, 864,514.35 and 276,886.98 is: 415,224.65
Step by Step Solution
- Step 1: Write the proportion equation
576,489.78 : 864,514.35 = 276,886.98 : x - Step 2: Convert to fraction form
576,489.78/864,514.35 = 276,886.98/x - Step 3: Cross multiply
576,489.78x = 864,514.35 × 276,886.98 - Step 4: Simplify right side
576,489.78x = 239,372,767,538.16 - Step 5: Solve for x
x = 239,372,767,538.16/576,489.78 - Step 6: Final answer
x = 415,224.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.