Finding the Fourth Proportional to 736,367.34, 1,102,779.50 and 419,864.70
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Solution
The fourth proportional to 736,367.34, 1,102,779.50 and 419,864.70 is: 628,786.96
Step by Step Solution
- Step 1: Write the proportion equation
736,367.34 : 1,102,779.50 = 419,864.70 : x - Step 2: Convert to fraction form
736,367.34/1,102,779.50 = 419,864.70/x - Step 3: Cross multiply
736,367.34x = 1,102,779.50 × 419,864.70 - Step 4: Simplify right side
736,367.34x = 463,018,183,933.65 - Step 5: Solve for x
x = 463,018,183,933.65/736,367.34 - Step 6: Final answer
x = 628,786.96
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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.