Finding the Fourth Proportional to 831,035.62, 1,246,599.57 and 262,430.20
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Solution
The fourth proportional to 831,035.62, 1,246,599.57 and 262,430.20 is: 393,659.87
Step by Step Solution
- Step 1: Write the proportion equation
831,035.62 : 1,246,599.57 = 262,430.20 : x - Step 2: Convert to fraction form
831,035.62/1,246,599.57 = 262,430.20/x - Step 3: Cross multiply
831,035.62x = 1,246,599.57 × 262,430.20 - Step 4: Simplify right side
831,035.62x = 327,145,374,475.01 - Step 5: Solve for x
x = 327,145,374,475.01/831,035.62 - Step 6: Final answer
x = 393,659.87
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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.