Finding the Fourth Proportional to 756,219.18, 1,043,569.06 and 412,057.49
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Solution
The fourth proportional to 756,219.18, 1,043,569.06 and 412,057.49 is: 568,632.03
Step by Step Solution
- Step 1: Write the proportion equation
756,219.18 : 1,043,569.06 = 412,057.49 : x - Step 2: Convert to fraction form
756,219.18/1,043,569.06 = 412,057.49/x - Step 3: Cross multiply
756,219.18x = 1,043,569.06 × 412,057.49 - Step 4: Simplify right side
756,219.18x = 430,010,447,127.35 - Step 5: Solve for x
x = 430,010,447,127.35/756,219.18 - Step 6: Final answer
x = 568,632.03
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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.