Finding the Fourth Proportional to 971,166.80, 1,340,215.80 and 541,473.68
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Solution
The fourth proportional to 971,166.80, 1,340,215.80 and 541,473.68 is: 747,236.81
Step by Step Solution
- Step 1: Write the proportion equation
971,166.80 : 1,340,215.80 = 541,473.68 : x - Step 2: Convert to fraction form
971,166.80/1,340,215.80 = 541,473.68/x - Step 3: Cross multiply
971,166.80x = 1,340,215.80 × 541,473.68 - Step 4: Simplify right side
971,166.80x = 725,691,581,220.14 - Step 5: Solve for x
x = 725,691,581,220.14/971,166.80 - Step 6: Final answer
x = 747,236.81
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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.