Finding the Fourth Proportional to 888,471.76, 1,332,706.58 and 289,431.92
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Solution
The fourth proportional to 888,471.76, 1,332,706.58 and 289,431.92 is: 434,147.53
Step by Step Solution
- Step 1: Write the proportion equation
888,471.76 : 1,332,706.58 = 289,431.92 : x - Step 2: Convert to fraction form
888,471.76/1,332,706.58 = 289,431.92/x - Step 3: Cross multiply
888,471.76x = 1,332,706.58 × 289,431.92 - Step 4: Simplify right side
888,471.76x = 385,727,824,246.03 - Step 5: Solve for x
x = 385,727,824,246.03/888,471.76 - Step 6: Final answer
x = 434,147.53
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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.