Finding the Fourth Proportional to 755,621.50, 1,042,757.67 and 416,088.94
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Solution
The fourth proportional to 755,621.50, 1,042,757.67 and 416,088.94 is: 574,202.74
Step by Step Solution
- Step 1: Write the proportion equation
755,621.50 : 1,042,757.67 = 416,088.94 : x - Step 2: Convert to fraction form
755,621.50/1,042,757.67 = 416,088.94/x - Step 3: Cross multiply
755,621.50x = 1,042,757.67 × 416,088.94 - Step 4: Simplify right side
755,621.50x = 433,879,933,587.17 - Step 5: Solve for x
x = 433,879,933,587.17/755,621.50 - Step 6: Final answer
x = 574,202.74
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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.