Finding the Fourth Proportional to 805,225.12, 1,207,086.81 and 272,375.34
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Solution
The fourth proportional to 805,225.12, 1,207,086.81 and 272,375.34 is: 408,309.02
Step by Step Solution
- Step 1: Write the proportion equation
805,225.12 : 1,207,086.81 = 272,375.34 : x - Step 2: Convert to fraction form
805,225.12/1,207,086.81 = 272,375.34/x - Step 3: Cross multiply
805,225.12x = 1,207,086.81 × 272,375.34 - Step 4: Simplify right side
805,225.12x = 328,780,680,283.27 - Step 5: Solve for x
x = 328,780,680,283.27/805,225.12 - Step 6: Final answer
x = 408,309.02
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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.