Finding the Fourth Proportional to 775,908.12, 1,163,862.82 and 371,005.06
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Solution
The fourth proportional to 775,908.12, 1,163,862.82 and 371,005.06 is: 556,507.89
Step by Step Solution
- Step 1: Write the proportion equation
775,908.12 : 1,163,862.82 = 371,005.06 : x - Step 2: Convert to fraction form
775,908.12/1,163,862.82 = 371,005.06/x - Step 3: Cross multiply
775,908.12x = 1,163,862.82 × 371,005.06 - Step 4: Simplify right side
775,908.12x = 431,798,989,546.56 - Step 5: Solve for x
x = 431,798,989,546.56/775,908.12 - Step 6: Final answer
x = 556,507.89
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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.