Finding the Fourth Proportional to 735,387.80, 1,102,296.90 and 419,163.80
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Solution
The fourth proportional to 735,387.80, 1,102,296.90 and 419,163.80 is: 628,298.37
Step by Step Solution
- Step 1: Write the proportion equation
735,387.80 : 1,102,296.90 = 419,163.80 : x - Step 2: Convert to fraction form
735,387.80/1,102,296.90 = 419,163.80/x - Step 3: Cross multiply
735,387.80x = 1,102,296.90 × 419,163.80 - Step 4: Simplify right side
735,387.80x = 462,042,957,332.22 - Step 5: Solve for x
x = 462,042,957,332.22/735,387.80 - Step 6: Final answer
x = 628,298.37
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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.