Finding the Fourth Proportional to 813,240.26, 1,122,274.17 and 450,670.08
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Solution
The fourth proportional to 813,240.26, 1,122,274.17 and 450,670.08 is: 621,926.16
Step by Step Solution
- Step 1: Write the proportion equation
813,240.26 : 1,122,274.17 = 450,670.08 : x - Step 2: Convert to fraction form
813,240.26/1,122,274.17 = 450,670.08/x - Step 3: Cross multiply
813,240.26x = 1,122,274.17 × 450,670.08 - Step 4: Simplify right side
813,240.26x = 505,775,389,975.83 - Step 5: Solve for x
x = 505,775,389,975.83/813,240.26 - Step 6: Final answer
x = 621,926.16
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1.5x scale
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.