Finding the Fourth Proportional to 522,290.10, 720,495.06 and 341,108.09
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Solution
The fourth proportional to 522,290.10, 720,495.06 and 341,108.09 is: 470,555.90
Step by Step Solution
- Step 1: Write the proportion equation
522,290.10 : 720,495.06 = 341,108.09 : x - Step 2: Convert to fraction form
522,290.10/720,495.06 = 341,108.09/x - Step 3: Cross multiply
522,290.10x = 720,495.06 × 341,108.09 - Step 4: Simplify right side
522,290.10x = 245,766,690,168.56 - Step 5: Solve for x
x = 245,766,690,168.56/522,290.10 - Step 6: Final answer
x = 470,555.90
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1.5x scale
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.