Finding the Fourth Proportional to 876,796.36, 1,209,849.24 and 532,453.21
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Solution
The fourth proportional to 876,796.36, 1,209,849.24 and 532,453.21 is: 734,706.64
Step by Step Solution
- Step 1: Write the proportion equation
876,796.36 : 1,209,849.24 = 532,453.21 : x - Step 2: Convert to fraction form
876,796.36/1,209,849.24 = 532,453.21/x - Step 3: Cross multiply
876,796.36x = 1,209,849.24 × 532,453.21 - Step 4: Simplify right side
876,796.36x = 644,188,105,404.81 - Step 5: Solve for x
x = 644,188,105,404.81/876,796.36 - Step 6: Final answer
x = 734,706.64
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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.