Finding the Fourth Proportional to 872,694.81, 1,310,268.35 and 446,536.26
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Solution
The fourth proportional to 872,694.81, 1,310,268.35 and 446,536.26 is: 670,431.77
Step by Step Solution
- Step 1: Write the proportion equation
872,694.81 : 1,310,268.35 = 446,536.26 : x - Step 2: Convert to fraction form
872,694.81/1,310,268.35 = 446,536.26/x - Step 3: Cross multiply
872,694.81x = 1,310,268.35 × 446,536.26 - Step 4: Simplify right side
872,694.81x = 585,082,329,721.71 - Step 5: Solve for x
x = 585,082,329,721.71/872,694.81 - Step 6: Final answer
x = 670,431.77
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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.