Finding the Fourth Proportional to 475,896.68, 712,893.28 and 286,252.36
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Solution
The fourth proportional to 475,896.68, 712,893.28 and 286,252.36 is: 428,806.07
Step by Step Solution
- Step 1: Write the proportion equation
475,896.68 : 712,893.28 = 286,252.36 : x - Step 2: Convert to fraction form
475,896.68/712,893.28 = 286,252.36/x - Step 3: Cross multiply
475,896.68x = 712,893.28 × 286,252.36 - Step 4: Simplify right side
475,896.68x = 204,067,383,828.14 - Step 5: Solve for x
x = 204,067,383,828.14/475,896.68 - Step 6: Final answer
x = 428,806.07
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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.