Finding the Fourth Proportional to 676,682.40, 1,014,291.12 and 440,194.08
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Solution
The fourth proportional to 676,682.40, 1,014,291.12 and 440,194.08 is: 659,814.63
Step by Step Solution
- Step 1: Write the proportion equation
676,682.40 : 1,014,291.12 = 440,194.08 : x - Step 2: Convert to fraction form
676,682.40/1,014,291.12 = 440,194.08/x - Step 3: Cross multiply
676,682.40x = 1,014,291.12 × 440,194.08 - Step 4: Simplify right side
676,682.40x = 446,484,946,420.57 - Step 5: Solve for x
x = 446,484,946,420.57/676,682.40 - Step 6: Final answer
x = 659,814.63
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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.