Finding the Fourth Proportional to 737,826.42, 1,018,186.70 and 402,167.35
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Solution
The fourth proportional to 737,826.42, 1,018,186.70 and 402,167.35 is: 554,983.44
Step by Step Solution
- Step 1: Write the proportion equation
737,826.42 : 1,018,186.70 = 402,167.35 : x - Step 2: Convert to fraction form
737,826.42/1,018,186.70 = 402,167.35/x - Step 3: Cross multiply
737,826.42x = 1,018,186.70 × 402,167.35 - Step 4: Simplify right side
737,826.42x = 409,481,446,944.25 - Step 5: Solve for x
x = 409,481,446,944.25/737,826.42 - Step 6: Final answer
x = 554,983.44
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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.