Finding the Fourth Proportional to 785,241.87, 1,177,986.74 and 335,965.65
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Solution
The fourth proportional to 785,241.87, 1,177,986.74 and 335,965.65 is: 504,001.50
Step by Step Solution
- Step 1: Write the proportion equation
785,241.87 : 1,177,986.74 = 335,965.65 : x - Step 2: Convert to fraction form
785,241.87/1,177,986.74 = 335,965.65/x - Step 3: Cross multiply
785,241.87x = 1,177,986.74 × 335,965.65 - Step 4: Simplify right side
785,241.87x = 395,763,079,115.65 - Step 5: Solve for x
x = 395,763,079,115.65/785,241.87 - Step 6: Final answer
x = 504,001.50
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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.