Finding the Fourth Proportional to 763,536.22, 1,053,692.67 and 419,403.97
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Solution
The fourth proportional to 763,536.22, 1,053,692.67 and 419,403.97 is: 578,784.45
Step by Step Solution
- Step 1: Write the proportion equation
763,536.22 : 1,053,692.67 = 419,403.97 : x - Step 2: Convert to fraction form
763,536.22/1,053,692.67 = 419,403.97/x - Step 3: Cross multiply
763,536.22x = 1,053,692.67 × 419,403.97 - Step 4: Simplify right side
763,536.22x = 441,922,888,957.90 - Step 5: Solve for x
x = 441,922,888,957.90/763,536.22 - Step 6: Final answer
x = 578,784.45
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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.