Finding the Fourth Proportional to 556,431.44, 767,876.34 and 301,782.84
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Solution
The fourth proportional to 556,431.44, 767,876.34 and 301,782.84 is: 416,460.84
Step by Step Solution
- Step 1: Write the proportion equation
556,431.44 : 767,876.34 = 301,782.84 : x - Step 2: Convert to fraction form
556,431.44/767,876.34 = 301,782.84/x - Step 3: Cross multiply
556,431.44x = 767,876.34 × 301,782.84 - Step 4: Simplify right side
556,431.44x = 231,731,902,654.01 - Step 5: Solve for x
x = 231,731,902,654.01/556,431.44 - Step 6: Final answer
x = 416,460.84
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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.