Finding the Fourth Proportional to 802,211.68, 1,107,082.80 and 458,103.68
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Solution
The fourth proportional to 802,211.68, 1,107,082.80 and 458,103.68 is: 632,200.60
Step by Step Solution
- Step 1: Write the proportion equation
802,211.68 : 1,107,082.80 = 458,103.68 : x - Step 2: Convert to fraction form
802,211.68/1,107,082.80 = 458,103.68/x - Step 3: Cross multiply
802,211.68x = 1,107,082.80 × 458,103.68 - Step 4: Simplify right side
802,211.68x = 507,158,704,744.70 - Step 5: Solve for x
x = 507,158,704,744.70/802,211.68 - Step 6: Final answer
x = 632,200.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.