Finding the Fourth Proportional to 807,633.99, 1,114,542.27 and 445,070.85
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Solution
The fourth proportional to 807,633.99, 1,114,542.27 and 445,070.85 is: 614,201.83
Step by Step Solution
- Step 1: Write the proportion equation
807,633.99 : 1,114,542.27 = 445,070.85 : x - Step 2: Convert to fraction form
807,633.99/1,114,542.27 = 445,070.85/x - Step 3: Cross multiply
807,633.99x = 1,114,542.27 × 445,070.85 - Step 4: Simplify right side
807,633.99x = 496,050,275,469.83 - Step 5: Solve for x
x = 496,050,275,469.83/807,633.99 - Step 6: Final answer
x = 614,201.83
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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.