Finding the Fourth Proportional to 765,759.36, 1,056,747.96 and 426,220.32
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Solution
The fourth proportional to 765,759.36, 1,056,747.96 and 426,220.32 is: 588,184.07
Step by Step Solution
- Step 1: Write the proportion equation
765,759.36 : 1,056,747.96 = 426,220.32 : x - Step 2: Convert to fraction form
765,759.36/1,056,747.96 = 426,220.32/x - Step 3: Cross multiply
765,759.36x = 1,056,747.96 × 426,220.32 - Step 4: Simplify right side
765,759.36x = 450,407,453,670.55 - Step 5: Solve for x
x = 450,407,453,670.55/765,759.36 - Step 6: Final answer
x = 588,184.07
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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.