Finding the Fourth Proportional to 827,156.88, 1,141,423.92 and 464,571.36
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Solution
The fourth proportional to 827,156.88, 1,141,423.92 and 464,571.36 is: 641,078.95
Step by Step Solution
- Step 1: Write the proportion equation
827,156.88 : 1,141,423.92 = 464,571.36 : x - Step 2: Convert to fraction form
827,156.88/1,141,423.92 = 464,571.36/x - Step 3: Cross multiply
827,156.88x = 1,141,423.92 × 464,571.36 - Step 4: Simplify right side
827,156.88x = 530,272,862,850.93 - Step 5: Solve for x
x = 530,272,862,850.93/827,156.88 - Step 6: Final answer
x = 641,078.95
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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.