Finding the Fourth Proportional to 906,631.20, 1,359,888.48 and 275,550.48
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Solution
The fourth proportional to 906,631.20, 1,359,888.48 and 275,550.48 is: 413,307.99
Step by Step Solution
- Step 1: Write the proportion equation
906,631.20 : 1,359,888.48 = 275,550.48 : x - Step 2: Convert to fraction form
906,631.20/1,359,888.48 = 275,550.48/x - Step 3: Cross multiply
906,631.20x = 1,359,888.48 × 275,550.48 - Step 4: Simplify right side
906,631.20x = 374,717,923,410.47 - Step 5: Solve for x
x = 374,717,923,410.47/906,631.20 - Step 6: Final answer
x = 413,307.99
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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.