Finding the Fourth Proportional to 682,993.65, 1,024,539.99 and 262,269.53
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Solution
The fourth proportional to 682,993.65, 1,024,539.99 and 262,269.53 is: 393,423.30
Step by Step Solution
- Step 1: Write the proportion equation
682,993.65 : 1,024,539.99 = 262,269.53 : x - Step 2: Convert to fraction form
682,993.65/1,024,539.99 = 262,269.53/x - Step 3: Cross multiply
682,993.65x = 1,024,539.99 × 262,269.53 - Step 4: Simplify right side
682,993.65x = 268,705,615,209.46 - Step 5: Solve for x
x = 268,705,615,209.46/682,993.65 - Step 6: Final answer
x = 393,423.30
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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.