Finding the Fourth Proportional to 888,792.51, 1,226,528.42 and 506,811.09
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Solution
The fourth proportional to 888,792.51, 1,226,528.42 and 506,811.09 is: 699,396.31
Step by Step Solution
- Step 1: Write the proportion equation
888,792.51 : 1,226,528.42 = 506,811.09 : x - Step 2: Convert to fraction form
888,792.51/1,226,528.42 = 506,811.09/x - Step 3: Cross multiply
888,792.51x = 1,226,528.42 × 506,811.09 - Step 4: Simplify right side
888,792.51x = 621,618,202,922.12 - Step 5: Solve for x
x = 621,618,202,922.12/888,792.51 - Step 6: Final answer
x = 699,396.31
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.