Finding the Fourth Proportional to 720,555.21, 1,080,465.93 and 240,610.44
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Solution
The fourth proportional to 720,555.21, 1,080,465.93 and 240,610.44 is: 360,793.15
Step by Step Solution
- Step 1: Write the proportion equation
720,555.21 : 1,080,465.93 = 240,610.44 : x - Step 2: Convert to fraction form
720,555.21/1,080,465.93 = 240,610.44/x - Step 3: Cross multiply
720,555.21x = 1,080,465.93 × 240,610.44 - Step 4: Simplify right side
720,555.21x = 259,971,382,822.31 - Step 5: Solve for x
x = 259,971,382,822.31/720,555.21 - Step 6: Final answer
x = 360,793.15
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1.5x scale
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.