Finding the Fourth Proportional to 743,841.26, 1,115,774.19 and 323,117.13
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Solution
The fourth proportional to 743,841.26, 1,115,774.19 and 323,117.13 is: 484,681.04
Step by Step Solution
- Step 1: Write the proportion equation
743,841.26 : 1,115,774.19 = 323,117.13 : x - Step 2: Convert to fraction form
743,841.26/1,115,774.19 = 323,117.13/x - Step 3: Cross multiply
743,841.26x = 1,115,774.19 × 323,117.13 - Step 4: Simplify right side
743,841.26x = 360,525,758,185.03 - Step 5: Solve for x
x = 360,525,758,185.03/743,841.26 - Step 6: Final answer
x = 484,681.04
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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.