Finding the Fourth Proportional to 757,548.41, 1,044,471.15 and 485,168.49
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Solution
The fourth proportional to 757,548.41, 1,044,471.15 and 485,168.49 is: 668,926.88
Step by Step Solution
- Step 1: Write the proportion equation
757,548.41 : 1,044,471.15 = 485,168.49 : x - Step 2: Convert to fraction form
757,548.41/1,044,471.15 = 485,168.49/x - Step 3: Cross multiply
757,548.41x = 1,044,471.15 × 485,168.49 - Step 4: Simplify right side
757,548.41x = 506,744,490,694.06 - Step 5: Solve for x
x = 506,744,490,694.06/757,548.41 - Step 6: Final answer
x = 668,926.88
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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.