Finding the Fourth Proportional to 917,759.79, 1,376,634.21 and 356,794.29
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Solution
The fourth proportional to 917,759.79, 1,376,634.21 and 356,794.29 is: 535,189.31
Step by Step Solution
- Step 1: Write the proportion equation
917,759.79 : 1,376,634.21 = 356,794.29 : x - Step 2: Convert to fraction form
917,759.79/1,376,634.21 = 356,794.29/x - Step 3: Cross multiply
917,759.79x = 1,376,634.21 × 356,794.29 - Step 4: Simplify right side
917,759.79x = 491,175,225,546.66 - Step 5: Solve for x
x = 491,175,225,546.66/917,759.79 - Step 6: Final answer
x = 535,189.31
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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.