Finding the Fourth Proportional to 819,067.36, 1,130,759.04 and 565,781.44
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Solution
The fourth proportional to 819,067.36, 1,130,759.04 and 565,781.44 is: 781,086.52
Step by Step Solution
- Step 1: Write the proportion equation
819,067.36 : 1,130,759.04 = 565,781.44 : x - Step 2: Convert to fraction form
819,067.36/1,130,759.04 = 565,781.44/x - Step 3: Cross multiply
819,067.36x = 1,130,759.04 × 565,781.44 - Step 4: Simplify right side
819,067.36x = 639,762,477,944.22 - Step 5: Solve for x
x = 639,762,477,944.22/819,067.36 - Step 6: Final answer
x = 781,086.52
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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.