Finding the Fourth Proportional to 737,990.43, 1,018,291.50 and 415,631.49
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Solution
The fourth proportional to 737,990.43, 1,018,291.50 and 415,631.49 is: 573,495.26
Step by Step Solution
- Step 1: Write the proportion equation
737,990.43 : 1,018,291.50 = 415,631.49 : x - Step 2: Convert to fraction form
737,990.43/1,018,291.50 = 415,631.49/x - Step 3: Cross multiply
737,990.43x = 1,018,291.50 × 415,631.49 - Step 4: Simplify right side
737,990.43x = 423,234,013,399.34 - Step 5: Solve for x
x = 423,234,013,399.34/737,990.43 - Step 6: Final answer
x = 573,495.26
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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.