Finding the Fourth Proportional to 756,353.94, 1,043,768.46 and 416,822.19
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Solution
The fourth proportional to 756,353.94, 1,043,768.46 and 416,822.19 is: 575,214.63
Step by Step Solution
- Step 1: Write the proportion equation
756,353.94 : 1,043,768.46 = 416,822.19 : x - Step 2: Convert to fraction form
756,353.94/1,043,768.46 = 416,822.19/x - Step 3: Cross multiply
756,353.94x = 1,043,768.46 × 416,822.19 - Step 4: Simplify right side
756,353.94x = 435,065,855,350.13 - Step 5: Solve for x
x = 435,065,855,350.13/756,353.94 - Step 6: Final answer
x = 575,214.63
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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.