Finding the Fourth Proportional to 971,645.76, 1,340,873.19 and 541,914.84
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Solution
The fourth proportional to 971,645.76, 1,340,873.19 and 541,914.84 is: 747,843.62
Step by Step Solution
- Step 1: Write the proportion equation
971,645.76 : 1,340,873.19 = 541,914.84 : x - Step 2: Convert to fraction form
971,645.76/1,340,873.19 = 541,914.84/x - Step 3: Cross multiply
971,645.76x = 1,340,873.19 × 541,914.84 - Step 4: Simplify right side
971,645.76x = 726,639,080,219.14 - Step 5: Solve for x
x = 726,639,080,219.14/971,645.76 - Step 6: Final answer
x = 747,843.62
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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.