Finding the Fourth Proportional to 1,405,742.93, 2,108,595.77 and 340,794.62
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Solution
The fourth proportional to 1,405,742.93, 2,108,595.77 and 340,794.62 is: 511,187.41
Step by Step Solution
- Step 1: Write the proportion equation
1,405,742.93 : 2,108,595.77 = 340,794.62 : x - Step 2: Convert to fraction form
1,405,742.93/2,108,595.77 = 340,794.62/x - Step 3: Cross multiply
1,405,742.93x = 2,108,595.77 × 340,794.62 - Step 4: Simplify right side
1,405,742.93x = 718,598,092,466.78 - Step 5: Solve for x
x = 718,598,092,466.78/1,405,742.93 - Step 6: Final answer
x = 511,187.41
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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.