Finding the Fourth Proportional to 813,238.26, 1,122,271.41 and 450,668.08
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Solution
The fourth proportional to 813,238.26, 1,122,271.41 and 450,668.08 is: 621,923.40
Step by Step Solution
- Step 1: Write the proportion equation
813,238.26 : 1,122,271.41 = 450,668.08 : x - Step 2: Convert to fraction form
813,238.26/1,122,271.41 = 450,668.08/x - Step 3: Cross multiply
813,238.26x = 1,122,271.41 × 450,668.08 - Step 4: Simplify right side
813,238.26x = 505,771,901,583.59 - Step 5: Solve for x
x = 505,771,901,583.59/813,238.26 - Step 6: Final answer
x = 621,923.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.