Finding the Fourth Proportional to 556,782.36, 768,361.74 and 302,133.54
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Solution
The fourth proportional to 556,782.36, 768,361.74 and 302,133.54 is: 416,945.42
Step by Step Solution
- Step 1: Write the proportion equation
556,782.36 : 768,361.74 = 302,133.54 : x - Step 2: Convert to fraction form
556,782.36/768,361.74 = 302,133.54/x - Step 3: Cross multiply
556,782.36x = 768,361.74 × 302,133.54 - Step 4: Simplify right side
556,782.36x = 232,147,852,506.76 - Step 5: Solve for x
x = 232,147,852,506.76/556,782.36 - Step 6: Final answer
x = 416,945.42
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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.