Finding the Fourth Proportional to 840,837.78, 1,260,645.68 and 335,247.12
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Solution
The fourth proportional to 840,837.78, 1,260,645.68 and 335,247.12 is: 502,627.07
Step by Step Solution
- Step 1: Write the proportion equation
840,837.78 : 1,260,645.68 = 335,247.12 : x - Step 2: Convert to fraction form
840,837.78/1,260,645.68 = 335,247.12/x - Step 3: Cross multiply
840,837.78x = 1,260,645.68 × 335,247.12 - Step 4: Simplify right side
840,837.78x = 422,627,831,884.21 - Step 5: Solve for x
x = 422,627,831,884.21/840,837.78 - Step 6: Final answer
x = 502,627.07
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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.