Finding the Fourth Proportional to 875,884.62, 1,208,762.26 and 493,903.20
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Solution
The fourth proportional to 875,884.62, 1,208,762.26 and 493,903.20 is: 681,609.81
Step by Step Solution
- Step 1: Write the proportion equation
875,884.62 : 1,208,762.26 = 493,903.20 : x - Step 2: Convert to fraction form
875,884.62/1,208,762.26 = 493,903.20/x - Step 3: Cross multiply
875,884.62x = 1,208,762.26 × 493,903.20 - Step 4: Simplify right side
875,884.62x = 597,011,548,253.23 - Step 5: Solve for x
x = 597,011,548,253.23/875,884.62 - Step 6: Final answer
x = 681,609.81
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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.