Finding the Fourth Proportional to 583,261.20, 874,891.80 and 465,163.20
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Solution
The fourth proportional to 583,261.20, 874,891.80 and 465,163.20 is: 697,744.80
Step by Step Solution
- Step 1: Write the proportion equation
583,261.20 : 874,891.80 = 465,163.20 : x - Step 2: Convert to fraction form
583,261.20/874,891.80 = 465,163.20/x - Step 3: Cross multiply
583,261.20x = 874,891.80 × 465,163.20 - Step 4: Simplify right side
583,261.20x = 406,967,469,341.76 - Step 5: Solve for x
x = 406,967,469,341.76/583,261.20 - Step 6: Final answer
x = 697,744.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.