Finding the Fourth Proportional to 851,570.26, 1,175,113.30 and 488,738.74
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Solution
The fourth proportional to 851,570.26, 1,175,113.30 and 488,738.74 is: 674,428.66
Step by Step Solution
- Step 1: Write the proportion equation
851,570.26 : 1,175,113.30 = 488,738.74 : x - Step 2: Convert to fraction form
851,570.26/1,175,113.30 = 488,738.74/x - Step 3: Cross multiply
851,570.26x = 1,175,113.30 × 488,738.74 - Step 4: Simplify right side
851,570.26x = 574,323,393,599.24 - Step 5: Solve for x
x = 574,323,393,599.24/851,570.26 - Step 6: Final answer
x = 674,428.66
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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.