Finding the Fourth Proportional to 624,874.40, 862,284.84 and 352,953.92
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Solution
The fourth proportional to 624,874.40, 862,284.84 and 352,953.92 is: 487,052.78
Step by Step Solution
- Step 1: Write the proportion equation
624,874.40 : 862,284.84 = 352,953.92 : x - Step 2: Convert to fraction form
624,874.40/862,284.84 = 352,953.92/x - Step 3: Cross multiply
624,874.40x = 862,284.84 × 352,953.92 - Step 4: Simplify right side
624,874.40x = 304,346,814,434.57 - Step 5: Solve for x
x = 304,346,814,434.57/624,874.40 - Step 6: Final answer
x = 487,052.78
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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.