Finding the Fourth Proportional to 505,852.36, 698,090.34 and 279,512.44
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Solution
The fourth proportional to 505,852.36, 698,090.34 and 279,512.44 is: 385,734.95
Step by Step Solution
- Step 1: Write the proportion equation
505,852.36 : 698,090.34 = 279,512.44 : x - Step 2: Convert to fraction form
505,852.36/698,090.34 = 279,512.44/x - Step 3: Cross multiply
505,852.36x = 698,090.34 × 279,512.44 - Step 4: Simplify right side
505,852.36x = 195,124,934,273.83 - Step 5: Solve for x
x = 195,124,934,273.83/505,852.36 - Step 6: Final answer
x = 385,734.95
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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.