Finding the Fourth Proportional to 917,735.49, 1,266,473.82 and 509,874.98
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Solution
The fourth proportional to 917,735.49, 1,266,473.82 and 509,874.98 is: 703,626.82
Step by Step Solution
- Step 1: Write the proportion equation
917,735.49 : 1,266,473.82 = 509,874.98 : x - Step 2: Convert to fraction form
917,735.49/1,266,473.82 = 509,874.98/x - Step 3: Cross multiply
917,735.49x = 1,266,473.82 × 509,874.98 - Step 4: Simplify right side
917,735.49x = 645,743,307,310.66 - Step 5: Solve for x
x = 645,743,307,310.66/917,735.49 - Step 6: Final answer
x = 703,626.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.