Finding the Fourth Proportional to 823,611.60, 1,236,108.60 and 403,246.80
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Solution
The fourth proportional to 823,611.60, 1,236,108.60 and 403,246.80 is: 605,208.62
Step by Step Solution
- Step 1: Write the proportion equation
823,611.60 : 1,236,108.60 = 403,246.80 : x - Step 2: Convert to fraction form
823,611.60/1,236,108.60 = 403,246.80/x - Step 3: Cross multiply
823,611.60x = 1,236,108.60 × 403,246.80 - Step 4: Simplify right side
823,611.60x = 498,456,837,402.48 - Step 5: Solve for x
x = 498,456,837,402.48/823,611.60 - Step 6: Final answer
x = 605,208.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.