Finding the Fourth Proportional to 556,821.81, 834,156.50 and 332,361.09
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Solution
The fourth proportional to 556,821.81, 834,156.50 and 332,361.09 is: 497,899.25
Step by Step Solution
- Step 1: Write the proportion equation
556,821.81 : 834,156.50 = 332,361.09 : x - Step 2: Convert to fraction form
556,821.81/834,156.50 = 332,361.09/x - Step 3: Cross multiply
556,821.81x = 834,156.50 × 332,361.09 - Step 4: Simplify right side
556,821.81x = 277,241,161,908.78 - Step 5: Solve for x
x = 277,241,161,908.78/556,821.81 - Step 6: Final answer
x = 497,899.25
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.