Finding the Fourth Proportional to 757,762.34, 1,045,721.90 and 447,675.12
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Solution
The fourth proportional to 757,762.34, 1,045,721.90 and 447,675.12 is: 617,797.50
Step by Step Solution
- Step 1: Write the proportion equation
757,762.34 : 1,045,721.90 = 447,675.12 : x - Step 2: Convert to fraction form
757,762.34/1,045,721.90 = 447,675.12/x - Step 3: Cross multiply
757,762.34x = 1,045,721.90 × 447,675.12 - Step 4: Simplify right side
757,762.34x = 468,143,677,069.13 - Step 5: Solve for x
x = 468,143,677,069.13/757,762.34 - Step 6: Final answer
x = 617,797.50
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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.