Finding the Fourth Proportional to 929,059.08, 1,282,099.44 and 515,659.21
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Solution
The fourth proportional to 929,059.08, 1,282,099.44 and 515,659.21 is: 711,608.54
Step by Step Solution
- Step 1: Write the proportion equation
929,059.08 : 1,282,099.44 = 515,659.21 : x - Step 2: Convert to fraction form
929,059.08/1,282,099.44 = 515,659.21/x - Step 3: Cross multiply
929,059.08x = 1,282,099.44 × 515,659.21 - Step 4: Simplify right side
929,059.08x = 661,126,375,383.05 - Step 5: Solve for x
x = 661,126,375,383.05/929,059.08 - Step 6: Final answer
x = 711,608.54
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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.