Finding the Fourth Proportional to 616,214.56, 850,376.96 and 374,432.80
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Solution
The fourth proportional to 616,214.56, 850,376.96 and 374,432.80 is: 516,717.79
Step by Step Solution
- Step 1: Write the proportion equation
616,214.56 : 850,376.96 = 374,432.80 : x - Step 2: Convert to fraction form
616,214.56/850,376.96 = 374,432.80/x - Step 3: Cross multiply
616,214.56x = 850,376.96 × 374,432.80 - Step 4: Simplify right side
616,214.56x = 318,409,026,188.29 - Step 5: Solve for x
x = 318,409,026,188.29/616,214.56 - Step 6: Final answer
x = 516,717.79
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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.