Finding the Fourth Proportional to 862,723.10, 1,294,085.57 and 861,477.14
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Solution
The fourth proportional to 862,723.10, 1,294,085.57 and 861,477.14 is: 1,292,216.62
Step by Step Solution
- Step 1: Write the proportion equation
862,723.10 : 1,294,085.57 = 861,477.14 : x - Step 2: Convert to fraction form
862,723.10/1,294,085.57 = 861,477.14/x - Step 3: Cross multiply
862,723.10x = 1,294,085.57 × 861,477.14 - Step 4: Simplify right side
862,723.10x = 1,114,825,124,981.06 - Step 5: Solve for x
x = 1,114,825,124,981.06/862,723.10 - Step 6: Final answer
x = 1,292,216.62
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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.