Finding the Fourth Proportional to 901,858.67, 1,352,912.55 and 302,991.09
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Solution
The fourth proportional to 901,858.67, 1,352,912.55 and 302,991.09 is: 454,528.48
Step by Step Solution
- Step 1: Write the proportion equation
901,858.67 : 1,352,912.55 = 302,991.09 : x - Step 2: Convert to fraction form
901,858.67/1,352,912.55 = 302,991.09/x - Step 3: Cross multiply
901,858.67x = 1,352,912.55 × 302,991.09 - Step 4: Simplify right side
901,858.67x = 409,920,448,199.18 - Step 5: Solve for x
x = 409,920,448,199.18/901,858.67 - Step 6: Final answer
x = 454,528.48
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1.5x scale
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.