Finding the Fourth Proportional to 665,719.77, 998,163.61 and 281,270.99
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Solution
The fourth proportional to 665,719.77, 998,163.61 and 281,270.99 is: 421,730.70
Step by Step Solution
- Step 1: Write the proportion equation
665,719.77 : 998,163.61 = 281,270.99 : x - Step 2: Convert to fraction form
665,719.77/998,163.61 = 281,270.99/x - Step 3: Cross multiply
665,719.77x = 998,163.61 × 281,270.99 - Step 4: Simplify right side
665,719.77x = 280,754,466,766.67 - Step 5: Solve for x
x = 280,754,466,766.67/665,719.77 - Step 6: Final answer
x = 421,730.70
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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.