Finding the Fourth Proportional to 1,405,714.74, 2,108,553.21 and 340,765.98
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Solution
The fourth proportional to 1,405,714.74, 2,108,553.21 and 340,765.98 is: 511,144.39
Step by Step Solution
- Step 1: Write the proportion equation
1,405,714.74 : 2,108,553.21 = 340,765.98 : x - Step 2: Convert to fraction form
1,405,714.74/2,108,553.21 = 340,765.98/x - Step 3: Cross multiply
1,405,714.74x = 2,108,553.21 × 340,765.98 - Step 4: Simplify right side
1,405,714.74x = 718,523,200,987.80 - Step 5: Solve for x
x = 718,523,200,987.80/1,405,714.74 - Step 6: Final answer
x = 511,144.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.