Finding the Fourth Proportional to 769,624.20, 1,153,124.10 and 635,779.80
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Solution
The fourth proportional to 769,624.20, 1,153,124.10 and 635,779.80 is: 952,585.70
Step by Step Solution
- Step 1: Write the proportion equation
769,624.20 : 1,153,124.10 = 635,779.80 : x - Step 2: Convert to fraction form
769,624.20/1,153,124.10 = 635,779.80/x - Step 3: Cross multiply
769,624.20x = 1,153,124.10 × 635,779.80 - Step 4: Simplify right side
769,624.20x = 733,133,009,673.18 - Step 5: Solve for x
x = 733,133,009,673.18/769,624.20 - Step 6: Final answer
x = 952,585.70
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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.