Finding the Fourth Proportional to 556,193.77, 767,542.76 and 314,523.79
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Solution
The fourth proportional to 556,193.77, 767,542.76 and 314,523.79 is: 434,040.20
Step by Step Solution
- Step 1: Write the proportion equation
556,193.77 : 767,542.76 = 314,523.79 : x - Step 2: Convert to fraction form
556,193.77/767,542.76 = 314,523.79/x - Step 3: Cross multiply
556,193.77x = 767,542.76 × 314,523.79 - Step 4: Simplify right side
556,193.77x = 241,410,457,862.26 - Step 5: Solve for x
x = 241,410,457,862.26/556,193.77 - Step 6: Final answer
x = 434,040.20
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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.