Finding the Fourth Proportional to 905,744.80, 1,358,271.60 and 274,448.80
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Solution
The fourth proportional to 905,744.80, 1,358,271.60 and 274,448.80 is: 411,568.48
Step by Step Solution
- Step 1: Write the proportion equation
905,744.80 : 1,358,271.60 = 274,448.80 : x - Step 2: Convert to fraction form
905,744.80/1,358,271.60 = 274,448.80/x - Step 3: Cross multiply
905,744.80x = 1,358,271.60 × 274,448.80 - Step 4: Simplify right side
905,744.80x = 372,776,010,694.08 - Step 5: Solve for x
x = 372,776,010,694.08/905,744.80 - Step 6: Final answer
x = 411,568.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.