Finding the Fourth Proportional to 831,893.62, 1,247,927.91 and 270,971.86
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Solution
The fourth proportional to 831,893.62, 1,247,927.91 and 270,971.86 is: 406,486.28
Step by Step Solution
- Step 1: Write the proportion equation
831,893.62 : 1,247,927.91 = 270,971.86 : x - Step 2: Convert to fraction form
831,893.62/1,247,927.91 = 270,971.86/x - Step 3: Cross multiply
831,893.62x = 1,247,927.91 × 270,971.86 - Step 4: Simplify right side
831,893.62x = 338,153,346,918.61 - Step 5: Solve for x
x = 338,153,346,918.61/831,893.62 - Step 6: Final answer
x = 406,486.28
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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.