Finding the Fourth Proportional to 860,184.11, 1,187,129.64 and 473,067.68
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Solution
The fourth proportional to 860,184.11, 1,187,129.64 and 473,067.68 is: 652,874.96
Step by Step Solution
- Step 1: Write the proportion equation
860,184.11 : 1,187,129.64 = 473,067.68 : x - Step 2: Convert to fraction form
860,184.11/1,187,129.64 = 473,067.68/x - Step 3: Cross multiply
860,184.11x = 1,187,129.64 × 473,067.68 - Step 4: Simplify right side
860,184.11x = 561,592,662,288.70 - Step 5: Solve for x
x = 561,592,662,288.70/860,184.11 - Step 6: Final answer
x = 652,874.96
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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.