Finding the Fourth Proportional to 783,163.20, 1,174,744.80 and 534,331.20
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Solution
The fourth proportional to 783,163.20, 1,174,744.80 and 534,331.20 is: 801,496.80
Step by Step Solution
- Step 1: Write the proportion equation
783,163.20 : 1,174,744.80 = 534,331.20 : x - Step 2: Convert to fraction form
783,163.20/1,174,744.80 = 534,331.20/x - Step 3: Cross multiply
783,163.20x = 1,174,744.80 × 534,331.20 - Step 4: Simplify right side
783,163.20x = 627,702,798,677.76 - Step 5: Solve for x
x = 627,702,798,677.76/783,163.20 - Step 6: Final answer
x = 801,496.80
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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.