Finding the Fourth Proportional to 757,363.36, 1,045,124.96 and 413,178.80
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Solution
The fourth proportional to 757,363.36, 1,045,124.96 and 413,178.80 is: 570,166.84
Step by Step Solution
- Step 1: Write the proportion equation
757,363.36 : 1,045,124.96 = 413,178.80 : x - Step 2: Convert to fraction form
757,363.36/1,045,124.96 = 413,178.80/x - Step 3: Cross multiply
757,363.36x = 1,045,124.96 × 413,178.80 - Step 4: Simplify right side
757,363.36x = 431,823,476,822.85 - Step 5: Solve for x
x = 431,823,476,822.85/757,363.36 - Step 6: Final answer
x = 570,166.84
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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.