Finding the Fourth Proportional to 658,071.63, 985,609.35 and 515,024.82
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Solution
The fourth proportional to 658,071.63, 985,609.35 and 515,024.82 is: 771,364.78
Step by Step Solution
- Step 1: Write the proportion equation
658,071.63 : 985,609.35 = 515,024.82 : x - Step 2: Convert to fraction form
658,071.63/985,609.35 = 515,024.82/x - Step 3: Cross multiply
658,071.63x = 985,609.35 × 515,024.82 - Step 4: Simplify right side
658,071.63x = 507,613,278,074.07 - Step 5: Solve for x
x = 507,613,278,074.07/658,071.63 - Step 6: Final answer
x = 771,364.78
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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.