Finding the Fourth Proportional to 756,367.28, 1,043,786.84 and 416,835.53
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Solution
The fourth proportional to 756,367.28, 1,043,786.84 and 416,835.53 is: 575,233.02
Step by Step Solution
- Step 1: Write the proportion equation
756,367.28 : 1,043,786.84 = 416,835.53 : x - Step 2: Convert to fraction form
756,367.28/1,043,786.84 = 416,835.53/x - Step 3: Cross multiply
756,367.28x = 1,043,786.84 × 416,835.53 - Step 4: Simplify right side
756,367.28x = 435,087,437,269.51 - Step 5: Solve for x
x = 435,087,437,269.51/756,367.28 - Step 6: Final answer
x = 575,233.02
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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.