Finding the Fourth Proportional to 756,407.97, 1,043,847.81 and 416,876.22
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Solution
The fourth proportional to 756,407.97, 1,043,847.81 and 416,876.22 is: 575,291.84
Step by Step Solution
- Step 1: Write the proportion equation
756,407.97 : 1,043,847.81 = 416,876.22 : x - Step 2: Convert to fraction form
756,407.97/1,043,847.81 = 416,876.22/x - Step 3: Cross multiply
756,407.97x = 1,043,847.81 × 416,876.22 - Step 4: Simplify right side
756,407.97x = 435,155,329,288.08 - Step 5: Solve for x
x = 435,155,329,288.08/756,407.97 - Step 6: Final answer
x = 575,291.84
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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.