Finding the Fourth Proportional to 770,963.70, 1,156,445.55 and 202,343.70
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Solution
The fourth proportional to 770,963.70, 1,156,445.55 and 202,343.70 is: 303,515.55
Step by Step Solution
- Step 1: Write the proportion equation
770,963.70 : 1,156,445.55 = 202,343.70 : x - Step 2: Convert to fraction form
770,963.70/1,156,445.55 = 202,343.70/x - Step 3: Cross multiply
770,963.70x = 1,156,445.55 × 202,343.70 - Step 4: Simplify right side
770,963.70x = 233,999,471,435.54 - Step 5: Solve for x
x = 233,999,471,435.54/770,963.70 - Step 6: Final answer
x = 303,515.55
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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.