Finding the Fourth Proportional to 860,205.18, 1,187,412.30 and 573,620.70
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Solution
The fourth proportional to 860,205.18, 1,187,412.30 and 573,620.70 is: 791,816.06
Step by Step Solution
- Step 1: Write the proportion equation
860,205.18 : 1,187,412.30 = 573,620.70 : x - Step 2: Convert to fraction form
860,205.18/1,187,412.30 = 573,620.70/x - Step 3: Cross multiply
860,205.18x = 1,187,412.30 × 573,620.70 - Step 4: Simplify right side
860,205.18x = 681,124,274,714.61 - Step 5: Solve for x
x = 681,124,274,714.61/860,205.18 - Step 6: Final answer
x = 791,816.06
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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.