Finding the Fourth Proportional to 731,324.15, 1,008,821.14 and 425,366.09
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Solution
The fourth proportional to 731,324.15, 1,008,821.14 and 425,366.09 is: 586,768.95
Step by Step Solution
- Step 1: Write the proportion equation
731,324.15 : 1,008,821.14 = 425,366.09 : x - Step 2: Convert to fraction form
731,324.15/1,008,821.14 = 425,366.09/x - Step 3: Cross multiply
731,324.15x = 1,008,821.14 × 425,366.09 - Step 4: Simplify right side
731,324.15x = 429,118,297,723.62 - Step 5: Solve for x
x = 429,118,297,723.62/731,324.15 - Step 6: Final answer
x = 586,768.95
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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.