Finding the Fourth Proportional to 929,235.09, 1,392,041.37 and 523,186.14
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Solution
The fourth proportional to 929,235.09, 1,392,041.37 and 523,186.14 is: 783,759.42
Step by Step Solution
- Step 1: Write the proportion equation
929,235.09 : 1,392,041.37 = 523,186.14 : x - Step 2: Convert to fraction form
929,235.09/1,392,041.37 = 523,186.14/x - Step 3: Cross multiply
929,235.09x = 1,392,041.37 × 523,186.14 - Step 4: Simplify right side
929,235.09x = 728,296,751,090.61 - Step 5: Solve for x
x = 728,296,751,090.61/929,235.09 - Step 6: Final answer
x = 783,759.42
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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.