Finding the Fourth Proportional to 808,535.20, 1,212,540.36 and 268,646.49
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Solution
The fourth proportional to 808,535.20, 1,212,540.36 and 268,646.49 is: 402,882.53
Step by Step Solution
- Step 1: Write the proportion equation
808,535.20 : 1,212,540.36 = 268,646.49 : x - Step 2: Convert to fraction form
808,535.20/1,212,540.36 = 268,646.49/x - Step 3: Cross multiply
808,535.20x = 1,212,540.36 × 268,646.49 - Step 4: Simplify right side
808,535.20x = 325,744,708,157.73 - Step 5: Solve for x
x = 325,744,708,157.73/808,535.20 - Step 6: Final answer
x = 402,882.53
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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.