Finding the Fourth Proportional to 790,414.01, 1,185,809.63 and 257,936.03
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Solution
The fourth proportional to 790,414.01, 1,185,809.63 and 257,936.03 is: 386,965.59
Step by Step Solution
- Step 1: Write the proportion equation
790,414.01 : 1,185,809.63 = 257,936.03 : x - Step 2: Convert to fraction form
790,414.01/1,185,809.63 = 257,936.03/x - Step 3: Cross multiply
790,414.01x = 1,185,809.63 × 257,936.03 - Step 4: Simplify right side
790,414.01x = 305,863,021,079.24 - Step 5: Solve for x
x = 305,863,021,079.24/790,414.01 - Step 6: Final answer
x = 386,965.59
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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.