Finding the Fourth Proportional to 815,863.68, 1,125,576.96 and 601,512.96
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Solution
The fourth proportional to 815,863.68, 1,125,576.96 and 601,512.96 is: 829,855.70
Step by Step Solution
- Step 1: Write the proportion equation
815,863.68 : 1,125,576.96 = 601,512.96 : x - Step 2: Convert to fraction form
815,863.68/1,125,576.96 = 601,512.96/x - Step 3: Cross multiply
815,863.68x = 1,125,576.96 × 601,512.96 - Step 4: Simplify right side
815,863.68x = 677,049,128,917.40 - Step 5: Solve for x
x = 677,049,128,917.40/815,863.68 - Step 6: Final answer
x = 829,855.70
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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.