Finding the Fourth Proportional to 878,259.68, 1,211,530.84 and 534,200.84
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Solution
The fourth proportional to 878,259.68, 1,211,530.84 and 534,200.84 is: 736,912.79
Step by Step Solution
- Step 1: Write the proportion equation
878,259.68 : 1,211,530.84 = 534,200.84 : x - Step 2: Convert to fraction form
878,259.68/1,211,530.84 = 534,200.84/x - Step 3: Cross multiply
878,259.68x = 1,211,530.84 × 534,200.84 - Step 4: Simplify right side
878,259.68x = 647,200,797,112.11 - Step 5: Solve for x
x = 647,200,797,112.11/878,259.68 - Step 6: Final answer
x = 736,912.79
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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.