Finding the Fourth Proportional to 725,682.62, 1,001,093.19 and 471,113.66
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Solution
The fourth proportional to 725,682.62, 1,001,093.19 and 471,113.66 is: 649,910.39
Step by Step Solution
- Step 1: Write the proportion equation
725,682.62 : 1,001,093.19 = 471,113.66 : x - Step 2: Convert to fraction form
725,682.62/1,001,093.19 = 471,113.66/x - Step 3: Cross multiply
725,682.62x = 1,001,093.19 × 471,113.66 - Step 4: Simplify right side
725,682.62x = 471,628,676,741.98 - Step 5: Solve for x
x = 471,628,676,741.98/725,682.62 - Step 6: Final answer
x = 649,910.39
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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.