Finding the Fourth Proportional to 971,164.80, 1,340,213.04 and 541,471.68
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Solution
The fourth proportional to 971,164.80, 1,340,213.04 and 541,471.68 is: 747,234.05
Step by Step Solution
- Step 1: Write the proportion equation
971,164.80 : 1,340,213.04 = 541,471.68 : x - Step 2: Convert to fraction form
971,164.80/1,340,213.04 = 541,471.68/x - Step 3: Cross multiply
971,164.80x = 1,340,213.04 × 541,471.68 - Step 4: Simplify right side
971,164.80x = 725,687,406,326.71 - Step 5: Solve for x
x = 725,687,406,326.71/971,164.80 - Step 6: Final answer
x = 747,234.05
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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.