Finding the Fourth Proportional to 949,990.72, 1,425,079.68 and 276,077.92
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Solution
The fourth proportional to 949,990.72, 1,425,079.68 and 276,077.92 is: 414,144.08
Step by Step Solution
- Step 1: Write the proportion equation
949,990.72 : 1,425,079.68 = 276,077.92 : x - Step 2: Convert to fraction form
949,990.72/1,425,079.68 = 276,077.92/x - Step 3: Cross multiply
949,990.72x = 1,425,079.68 × 276,077.92 - Step 4: Simplify right side
949,990.72x = 393,433,033,888.67 - Step 5: Solve for x
x = 393,433,033,888.67/949,990.72 - Step 6: Final answer
x = 414,144.08
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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.