Finding the Fourth Proportional to 874,585.77, 1,206,515.97 and 511,787.12
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Solution
The fourth proportional to 874,585.77, 1,206,515.97 and 511,787.12 is: 706,024.90
Step by Step Solution
- Step 1: Write the proportion equation
874,585.77 : 1,206,515.97 = 511,787.12 : x - Step 2: Convert to fraction form
874,585.77/1,206,515.97 = 511,787.12/x - Step 3: Cross multiply
874,585.77x = 1,206,515.97 × 511,787.12 - Step 4: Simplify right side
874,585.77x = 617,479,327,487.73 - Step 5: Solve for x
x = 617,479,327,487.73/874,585.77 - Step 6: Final answer
x = 706,024.90
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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.