Finding the Fourth Proportional to 888,485.90, 1,332,871.00 and 289,400.99
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Solution
The fourth proportional to 888,485.90, 1,332,871.00 and 289,400.99 is: 434,147.78
Step by Step Solution
- Step 1: Write the proportion equation
888,485.90 : 1,332,871.00 = 289,400.99 : x - Step 2: Convert to fraction form
888,485.90/1,332,871.00 = 289,400.99/x - Step 3: Cross multiply
888,485.90x = 1,332,871.00 × 289,400.99 - Step 4: Simplify right side
888,485.90x = 385,734,179,554.43 - Step 5: Solve for x
x = 385,734,179,554.43/888,485.90 - Step 6: Final answer
x = 434,147.78
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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.