Finding the Fourth Proportional to 868,365.60, 1,198,309.80 and 486,372.84
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Solution
The fourth proportional to 868,365.60, 1,198,309.80 and 486,372.84 is: 671,175.07
Step by Step Solution
- Step 1: Write the proportion equation
868,365.60 : 1,198,309.80 = 486,372.84 : x - Step 2: Convert to fraction form
868,365.60/1,198,309.80 = 486,372.84/x - Step 3: Cross multiply
868,365.60x = 1,198,309.80 × 486,372.84 - Step 4: Simplify right side
868,365.60x = 582,825,340,625.83 - Step 5: Solve for x
x = 582,825,340,625.83/868,365.60 - Step 6: Final answer
x = 671,175.07
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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.