Finding the Fourth Proportional to 757,118.56, 1,044,493.68 and 498,661.60
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Solution
The fourth proportional to 757,118.56, 1,044,493.68 and 498,661.60 is: 687,935.70
Step by Step Solution
- Step 1: Write the proportion equation
757,118.56 : 1,044,493.68 = 498,661.60 : x - Step 2: Convert to fraction form
757,118.56/1,044,493.68 = 498,661.60/x - Step 3: Cross multiply
757,118.56x = 1,044,493.68 × 498,661.60 - Step 4: Simplify right side
757,118.56x = 520,848,889,658.69 - Step 5: Solve for x
x = 520,848,889,658.69/757,118.56 - Step 6: Final answer
x = 687,935.70
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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.