Finding the Fourth Proportional to 743,207.56, 1,025,631.84 and 403,675.96
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Solution
The fourth proportional to 743,207.56, 1,025,631.84 and 403,675.96 is: 557,075.76
Step by Step Solution
- Step 1: Write the proportion equation
743,207.56 : 1,025,631.84 = 403,675.96 : x - Step 2: Convert to fraction form
743,207.56/1,025,631.84 = 403,675.96/x - Step 3: Cross multiply
743,207.56x = 1,025,631.84 × 403,675.96 - Step 4: Simplify right side
743,207.56x = 414,022,917,618.57 - Step 5: Solve for x
x = 414,022,917,618.57/743,207.56 - Step 6: Final answer
x = 557,075.76
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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.