Finding the Fourth Proportional to 868,319.36, 1,198,292.64 and 486,343.04
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Solution
The fourth proportional to 868,319.36, 1,198,292.64 and 486,343.04 is: 671,160.07
Step by Step Solution
- Step 1: Write the proportion equation
868,319.36 : 1,198,292.64 = 486,343.04 : x - Step 2: Convert to fraction form
868,319.36/1,198,292.64 = 486,343.04/x - Step 3: Cross multiply
868,319.36x = 1,198,292.64 × 486,343.04 - Step 4: Simplify right side
868,319.36x = 582,781,285,347.23 - Step 5: Solve for x
x = 582,781,285,347.23/868,319.36 - Step 6: Final answer
x = 671,160.07
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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.