Finding the Fourth Proportional to 756,011.77, 1,043,295.79 and 416,480.02
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Solution
The fourth proportional to 756,011.77, 1,043,295.79 and 416,480.02 is: 574,742.17
Step by Step Solution
- Step 1: Write the proportion equation
756,011.77 : 1,043,295.79 = 416,480.02 : x - Step 2: Convert to fraction form
756,011.77/1,043,295.79 = 416,480.02/x - Step 3: Cross multiply
756,011.77x = 1,043,295.79 × 416,480.02 - Step 4: Simplify right side
756,011.77x = 434,511,844,186.24 - Step 5: Solve for x
x = 434,511,844,186.24/756,011.77 - Step 6: Final answer
x = 574,742.17
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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.