Finding the Fourth Proportional to 862,711.11, 1,294,067.58 and 861,465.13
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Solution
The fourth proportional to 862,711.11, 1,294,067.58 and 861,465.13 is: 1,292,198.60
Step by Step Solution
- Step 1: Write the proportion equation
862,711.11 : 1,294,067.58 = 861,465.13 : x - Step 2: Convert to fraction form
862,711.11/1,294,067.58 = 861,465.13/x - Step 3: Cross multiply
862,711.11x = 1,294,067.58 × 861,465.13 - Step 4: Simplify right side
862,711.11x = 1,114,794,092,798.32 - Step 5: Solve for x
x = 1,114,794,092,798.32/862,711.11 - Step 6: Final answer
x = 1,292,198.60
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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.