Finding the Fourth Proportional to 864,754.14, 1,193,361.75 and 482,780.70
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Solution
The fourth proportional to 864,754.14, 1,193,361.75 and 482,780.70 is: 666,237.94
Step by Step Solution
- Step 1: Write the proportion equation
864,754.14 : 1,193,361.75 = 482,780.70 : x - Step 2: Convert to fraction form
864,754.14/1,193,361.75 = 482,780.70/x - Step 3: Cross multiply
864,754.14x = 1,193,361.75 × 482,780.70 - Step 4: Simplify right side
864,754.14x = 576,132,021,018.23 - Step 5: Solve for x
x = 576,132,021,018.23/864,754.14 - Step 6: Final answer
x = 666,237.94
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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.