Finding the Fourth Proportional to 784,076.23, 1,175,973.81 and 207,703.32
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Solution
The fourth proportional to 784,076.23, 1,175,973.81 and 207,703.32 is: 311,517.75
Step by Step Solution
- Step 1: Write the proportion equation
784,076.23 : 1,175,973.81 = 207,703.32 : x - Step 2: Convert to fraction form
784,076.23/1,175,973.81 = 207,703.32/x - Step 3: Cross multiply
784,076.23x = 1,175,973.81 × 207,703.32 - Step 4: Simplify right side
784,076.23x = 244,253,664,570.05 - Step 5: Solve for x
x = 244,253,664,570.05/784,076.23 - Step 6: Final answer
x = 311,517.75
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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.