Finding the Fourth Proportional to 868,727.60, 1,198,832.36 and 486,761.84
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Solution
The fourth proportional to 868,727.60, 1,198,832.36 and 486,761.84 is: 671,724.77
Step by Step Solution
- Step 1: Write the proportion equation
868,727.60 : 1,198,832.36 = 486,761.84 : x - Step 2: Convert to fraction form
868,727.60/1,198,832.36 = 486,761.84/x - Step 3: Cross multiply
868,727.60x = 1,198,832.36 × 486,761.84 - Step 4: Simplify right side
868,727.60x = 583,545,845,405.14 - Step 5: Solve for x
x = 583,545,845,405.14/868,727.60 - Step 6: Final answer
x = 671,724.77
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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.