Finding the Fourth Proportional to 755,873.83, 1,043,105.81 and 416,342.08
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Solution
The fourth proportional to 755,873.83, 1,043,105.81 and 416,342.08 is: 574,552.03
Step by Step Solution
- Step 1: Write the proportion equation
755,873.83 : 1,043,105.81 = 416,342.08 : x - Step 2: Convert to fraction form
755,873.83/1,043,105.81 = 416,342.08/x - Step 3: Cross multiply
755,873.83x = 1,043,105.81 × 416,342.08 - Step 4: Simplify right side
755,873.83x = 434,288,842,595.49 - Step 5: Solve for x
x = 434,288,842,595.49/755,873.83 - Step 6: Final answer
x = 574,552.03
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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.