Finding the Fourth Proportional to 873,546.12, 1,310,434.47 and 304,937.46
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Solution
The fourth proportional to 873,546.12, 1,310,434.47 and 304,937.46 is: 457,446.44
Step by Step Solution
- Step 1: Write the proportion equation
873,546.12 : 1,310,434.47 = 304,937.46 : x - Step 2: Convert to fraction form
873,546.12/1,310,434.47 = 304,937.46/x - Step 3: Cross multiply
873,546.12x = 1,310,434.47 × 304,937.46 - Step 4: Simplify right side
873,546.12x = 399,600,558,778.25 - Step 5: Solve for x
x = 399,600,558,778.25/873,546.12 - Step 6: Final answer
x = 457,446.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.