Finding the Fourth Proportional to 860,203.68, 1,187,410.23 and 573,619.20
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Solution
The fourth proportional to 860,203.68, 1,187,410.23 and 573,619.20 is: 791,813.99
Step by Step Solution
- Step 1: Write the proportion equation
860,203.68 : 1,187,410.23 = 573,619.20 : x - Step 2: Convert to fraction form
860,203.68/1,187,410.23 = 573,619.20/x - Step 3: Cross multiply
860,203.68x = 1,187,410.23 × 573,619.20 - Step 4: Simplify right side
860,203.68x = 681,121,306,204.42 - Step 5: Solve for x
x = 681,121,306,204.42/860,203.68 - Step 6: Final answer
x = 791,813.99
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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.