Finding the Fourth Proportional to 756,167.80, 1,043,535.19 and 433,936.84
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Solution
The fourth proportional to 756,167.80, 1,043,535.19 and 433,936.84 is: 598,846.40
Step by Step Solution
- Step 1: Write the proportion equation
756,167.80 : 1,043,535.19 = 433,936.84 : x - Step 2: Convert to fraction form
756,167.80/1,043,535.19 = 433,936.84/x - Step 3: Cross multiply
756,167.80x = 1,043,535.19 × 433,936.84 - Step 4: Simplify right side
756,167.80x = 452,828,362,777.40 - Step 5: Solve for x
x = 452,828,362,777.40/756,167.80 - Step 6: Final answer
x = 598,846.40
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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.