Finding the Fourth Proportional to 718,074.23, 1,077,138.68 and 268,747.79
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Solution
The fourth proportional to 718,074.23, 1,077,138.68 and 268,747.79 is: 403,131.92
Step by Step Solution
- Step 1: Write the proportion equation
718,074.23 : 1,077,138.68 = 268,747.79 : x - Step 2: Convert to fraction form
718,074.23/1,077,138.68 = 268,747.79/x - Step 3: Cross multiply
718,074.23x = 1,077,138.68 × 268,747.79 - Step 4: Simplify right side
718,074.23x = 289,478,640,445.39 - Step 5: Solve for x
x = 289,478,640,445.39/718,074.23 - Step 6: Final answer
x = 403,131.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.