Finding the Fourth Proportional to 934,994.37, 1,290,236.75 and 542,496.99
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Solution
The fourth proportional to 934,994.37, 1,290,236.75 and 542,496.99 is: 748,613.66
Step by Step Solution
- Step 1: Write the proportion equation
934,994.37 : 1,290,236.75 = 542,496.99 : x - Step 2: Convert to fraction form
934,994.37/1,290,236.75 = 542,496.99/x - Step 3: Cross multiply
934,994.37x = 1,290,236.75 × 542,496.99 - Step 4: Simplify right side
934,994.37x = 699,949,557,422.65 - Step 5: Solve for x
x = 699,949,557,422.65/934,994.37 - Step 6: Final answer
x = 748,613.66
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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.