Finding the Fourth Proportional to 776,153.99, 1,164,424.68 and 270,722.18
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Solution
The fourth proportional to 776,153.99, 1,164,424.68 and 270,722.18 is: 406,150.83
Step by Step Solution
- Step 1: Write the proportion equation
776,153.99 : 1,164,424.68 = 270,722.18 : x - Step 2: Convert to fraction form
776,153.99/1,164,424.68 = 270,722.18/x - Step 3: Cross multiply
776,153.99x = 1,164,424.68 × 270,722.18 - Step 4: Simplify right side
776,153.99x = 315,235,581,993.28 - Step 5: Solve for x
x = 315,235,581,993.28/776,153.99 - Step 6: Final answer
x = 406,150.83
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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.