Finding the Fourth Proportional to 777,052.90, 1,072,048.58 and 470,908.44
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Solution
The fourth proportional to 777,052.90, 1,072,048.58 and 470,908.44 is: 649,681.28
Step by Step Solution
- Step 1: Write the proportion equation
777,052.90 : 1,072,048.58 = 470,908.44 : x - Step 2: Convert to fraction form
777,052.90/1,072,048.58 = 470,908.44/x - Step 3: Cross multiply
777,052.90x = 1,072,048.58 × 470,908.44 - Step 4: Simplify right side
777,052.90x = 504,836,726,472.24 - Step 5: Solve for x
x = 504,836,726,472.24/777,052.90 - Step 6: Final answer
x = 649,681.28
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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.