Finding the Fourth Proportional to 556,631.91, 768,153.51 and 301,983.09
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Solution
The fourth proportional to 556,631.91, 768,153.51 and 301,983.09 is: 416,737.46
Step by Step Solution
- Step 1: Write the proportion equation
556,631.91 : 768,153.51 = 301,983.09 : x - Step 2: Convert to fraction form
556,631.91/768,153.51 = 301,983.09/x - Step 3: Cross multiply
556,631.91x = 768,153.51 × 301,983.09 - Step 4: Simplify right side
556,631.91x = 231,969,370,544.15 - Step 5: Solve for x
x = 231,969,370,544.15/556,631.91 - Step 6: Final answer
x = 416,737.46
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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.