Finding the Fourth Proportional to 891,324.68, 1,336,843.74 and 260,090.60
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Solution
The fourth proportional to 891,324.68, 1,336,843.74 and 260,090.60 is: 390,094.09
Step by Step Solution
- Step 1: Write the proportion equation
891,324.68 : 1,336,843.74 = 260,090.60 : x - Step 2: Convert to fraction form
891,324.68/1,336,843.74 = 260,090.60/x - Step 3: Cross multiply
891,324.68x = 1,336,843.74 × 260,090.60 - Step 4: Simplify right side
891,324.68x = 347,700,490,442.84 - Step 5: Solve for x
x = 347,700,490,442.84/891,324.68 - Step 6: Final answer
x = 390,094.09
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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.