Finding the Fourth Proportional to 556,796.63, 768,379.34 and 302,147.82
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Solution
The fourth proportional to 556,796.63, 768,379.34 and 302,147.82 is: 416,963.99
Step by Step Solution
- Step 1: Write the proportion equation
556,796.63 : 768,379.34 = 302,147.82 : x - Step 2: Convert to fraction form
556,796.63/768,379.34 = 302,147.82/x - Step 3: Cross multiply
556,796.63x = 768,379.34 × 302,147.82 - Step 4: Simplify right side
556,796.63x = 232,164,143,269.41 - Step 5: Solve for x
x = 232,164,143,269.41/556,796.63 - Step 6: Final answer
x = 416,963.99
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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.