Finding the Fourth Proportional to 684,636.21, 1,027,197.63 and 305,522.46
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Solution
The fourth proportional to 684,636.21, 1,027,197.63 and 305,522.46 is: 458,392.27
Step by Step Solution
- Step 1: Write the proportion equation
684,636.21 : 1,027,197.63 = 305,522.46 : x - Step 2: Convert to fraction form
684,636.21/1,027,197.63 = 305,522.46/x - Step 3: Cross multiply
684,636.21x = 1,027,197.63 × 305,522.46 - Step 4: Simplify right side
684,636.21x = 313,831,946,823.77 - Step 5: Solve for x
x = 313,831,946,823.77/684,636.21 - Step 6: Final answer
x = 458,392.27
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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.