Finding the Fourth Proportional to 888,622.38, 1,226,296.19 and 480,724.10
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Solution
The fourth proportional to 888,622.38, 1,226,296.19 and 480,724.10 is: 663,397.80
Step by Step Solution
- Step 1: Write the proportion equation
888,622.38 : 1,226,296.19 = 480,724.10 : x - Step 2: Convert to fraction form
888,622.38/1,226,296.19 = 480,724.10/x - Step 3: Cross multiply
888,622.38x = 1,226,296.19 × 480,724.10 - Step 4: Simplify right side
888,622.38x = 589,510,131,940.12 - Step 5: Solve for x
x = 589,510,131,940.12/888,622.38 - Step 6: Final answer
x = 663,397.80
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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.