Finding the Fourth Proportional to 971,115.75, 1,340,124.35 and 541,422.09
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Solution
The fourth proportional to 971,115.75, 1,340,124.35 and 541,422.09 is: 747,153.90
Step by Step Solution
- Step 1: Write the proportion equation
971,115.75 : 1,340,124.35 = 541,422.09 : x - Step 2: Convert to fraction form
971,115.75/1,340,124.35 = 541,422.09/x - Step 3: Cross multiply
971,115.75x = 1,340,124.35 × 541,422.09 - Step 4: Simplify right side
971,115.75x = 725,572,923,729.78 - Step 5: Solve for x
x = 725,572,923,729.78/971,115.75 - Step 6: Final answer
x = 747,153.90
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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.