Finding the Fourth Proportional to 860,418.26, 1,187,405.97 and 473,250.01
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Solution
The fourth proportional to 860,418.26, 1,187,405.97 and 473,250.01 is: 653,100.83
Step by Step Solution
- Step 1: Write the proportion equation
860,418.26 : 1,187,405.97 = 473,250.01 : x - Step 2: Convert to fraction form
860,418.26/1,187,405.97 = 473,250.01/x - Step 3: Cross multiply
860,418.26x = 1,187,405.97 × 473,250.01 - Step 4: Simplify right side
860,418.26x = 561,939,878,873.28 - Step 5: Solve for x
x = 561,939,878,873.28/860,418.26 - Step 6: Final answer
x = 653,100.83
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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.