Finding the Fourth Proportional to 737,691.57, 1,018,004.36 and 415,405.53
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Solution
The fourth proportional to 737,691.57, 1,018,004.36 and 415,405.53 is: 573,253.99
Step by Step Solution
- Step 1: Write the proportion equation
737,691.57 : 1,018,004.36 = 415,405.53 : x - Step 2: Convert to fraction form
737,691.57/1,018,004.36 = 415,405.53/x - Step 3: Cross multiply
737,691.57x = 1,018,004.36 × 415,405.53 - Step 4: Simplify right side
737,691.57x = 422,884,638,631.08 - Step 5: Solve for x
x = 422,884,638,631.08/737,691.57 - Step 6: Final answer
x = 573,253.99
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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.