Finding the Fourth Proportional to 556,939.96, 768,577.98 and 302,291.26
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Solution
The fourth proportional to 556,939.96, 768,577.98 and 302,291.26 is: 417,162.39
Step by Step Solution
- Step 1: Write the proportion equation
556,939.96 : 768,577.98 = 302,291.26 : x - Step 2: Convert to fraction form
556,939.96/768,577.98 = 302,291.26/x - Step 3: Cross multiply
556,939.96x = 768,577.98 × 302,291.26 - Step 4: Simplify right side
556,939.96x = 232,334,405,982.46 - Step 5: Solve for x
x = 232,334,405,982.46/556,939.96 - Step 6: Final answer
x = 417,162.39
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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.