Finding the Fourth Proportional to 855,708.27, 1,283,485.86 and 256,803.18
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Solution
The fourth proportional to 855,708.27, 1,283,485.86 and 256,803.18 is: 385,181.80
Step by Step Solution
- Step 1: Write the proportion equation
855,708.27 : 1,283,485.86 = 256,803.18 : x - Step 2: Convert to fraction form
855,708.27/1,283,485.86 = 256,803.18/x - Step 3: Cross multiply
855,708.27x = 1,283,485.86 × 256,803.18 - Step 4: Simplify right side
855,708.27x = 329,603,250,333.04 - Step 5: Solve for x
x = 329,603,250,333.04/855,708.27 - Step 6: Final answer
x = 385,181.80
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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.