Finding the Fourth Proportional to 827,118.60, 1,141,423.92 and 464,542.98
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Solution
The fourth proportional to 827,118.60, 1,141,423.92 and 464,542.98 is: 641,069.45
Step by Step Solution
- Step 1: Write the proportion equation
827,118.60 : 1,141,423.92 = 464,542.98 : x - Step 2: Convert to fraction form
827,118.60/1,141,423.92 = 464,542.98/x - Step 3: Cross multiply
827,118.60x = 1,141,423.92 × 464,542.98 - Step 4: Simplify right side
827,118.60x = 530,240,469,240.08 - Step 5: Solve for x
x = 530,240,469,240.08/827,118.60 - Step 6: Final answer
x = 641,069.45
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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.