Finding the Fourth Proportional to 886,719.75, 1,330,266.42 and 287,634.13
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Solution
The fourth proportional to 886,719.75, 1,330,266.42 and 287,634.13 is: 431,511.79
Step by Step Solution
- Step 1: Write the proportion equation
886,719.75 : 1,330,266.42 = 287,634.13 : x - Step 2: Convert to fraction form
886,719.75/1,330,266.42 = 287,634.13/x - Step 3: Cross multiply
886,719.75x = 1,330,266.42 × 287,634.13 - Step 4: Simplify right side
886,719.75x = 382,630,024,384.92 - Step 5: Solve for x
x = 382,630,024,384.92/886,719.75 - Step 6: Final answer
x = 431,511.79
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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.