Finding the Fourth Proportional to 935,186.37, 1,402,343.57 and 485,786.63
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Solution
The fourth proportional to 935,186.37, 1,402,343.57 and 485,786.63 is: 728,453.46
Step by Step Solution
- Step 1: Write the proportion equation
935,186.37 : 1,402,343.57 = 485,786.63 : x - Step 2: Convert to fraction form
935,186.37/1,402,343.57 = 485,786.63/x - Step 3: Cross multiply
935,186.37x = 1,402,343.57 × 485,786.63 - Step 4: Simplify right side
935,186.37x = 681,239,751,175.22 - Step 5: Solve for x
x = 681,239,751,175.22/935,186.37 - Step 6: Final answer
x = 728,453.46
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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.