Finding the Fourth Proportional to 752,474.93, 1,129,081.41 and 353,148.17
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Solution
The fourth proportional to 752,474.93, 1,129,081.41 and 353,148.17 is: 529,895.44
Step by Step Solution
- Step 1: Write the proportion equation
752,474.93 : 1,129,081.41 = 353,148.17 : x - Step 2: Convert to fraction form
752,474.93/1,129,081.41 = 353,148.17/x - Step 3: Cross multiply
752,474.93x = 1,129,081.41 × 353,148.17 - Step 4: Simplify right side
752,474.93x = 398,733,028,077.11 - Step 5: Solve for x
x = 398,733,028,077.11/752,474.93 - Step 6: Final answer
x = 529,895.44
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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.