Finding the Fourth Proportional to 824,125.44, 1,236,373.44 and 445,037.76
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Solution
The fourth proportional to 824,125.44, 1,236,373.44 and 445,037.76 is: 667,656.69
Step by Step Solution
- Step 1: Write the proportion equation
824,125.44 : 1,236,373.44 = 445,037.76 : x - Step 2: Convert to fraction form
824,125.44/1,236,373.44 = 445,037.76/x - Step 3: Cross multiply
824,125.44x = 1,236,373.44 × 445,037.76 - Step 4: Simplify right side
824,125.44x = 550,232,866,261.09 - Step 5: Solve for x
x = 550,232,866,261.09/824,125.44 - Step 6: Final answer
x = 667,656.69
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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.