Finding the Fourth Proportional to 951,236.12, 1,312,707.60 and 515,652.12
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Solution
The fourth proportional to 951,236.12, 1,312,707.60 and 515,652.12 is: 711,600.88
Step by Step Solution
- Step 1: Write the proportion equation
951,236.12 : 1,312,707.60 = 515,652.12 : x - Step 2: Convert to fraction form
951,236.12/1,312,707.60 = 515,652.12/x - Step 3: Cross multiply
951,236.12x = 1,312,707.60 × 515,652.12 - Step 4: Simplify right side
951,236.12x = 676,900,456,880.11 - Step 5: Solve for x
x = 676,900,456,880.11/951,236.12 - Step 6: Final answer
x = 711,600.88
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1.5x scale
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.