Finding the Fourth Proportional to 718,062.96, 1,077,278.99 and 268,790.30
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Solution
The fourth proportional to 718,062.96, 1,077,278.99 and 268,790.30 is: 403,254.52
Step by Step Solution
- Step 1: Write the proportion equation
718,062.96 : 1,077,278.99 = 268,790.30 : x - Step 2: Convert to fraction form
718,062.96/1,077,278.99 = 268,790.30/x - Step 3: Cross multiply
718,062.96x = 1,077,278.99 × 268,790.30 - Step 4: Simplify right side
718,062.96x = 289,562,136,175.45 - Step 5: Solve for x
x = 289,562,136,175.45/718,062.96 - Step 6: Final answer
x = 403,254.52
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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.