Finding the Fourth Proportional to 829,107.36, 1,243,647.14 and 373,445.15
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Solution
The fourth proportional to 829,107.36, 1,243,647.14 and 373,445.15 is: 560,161.45
Step by Step Solution
- Step 1: Write the proportion equation
829,107.36 : 1,243,647.14 = 373,445.15 : x - Step 2: Convert to fraction form
829,107.36/1,243,647.14 = 373,445.15/x - Step 3: Cross multiply
829,107.36x = 1,243,647.14 × 373,445.15 - Step 4: Simplify right side
829,107.36x = 464,433,984,658.91 - Step 5: Solve for x
x = 464,433,984,658.91/829,107.36 - Step 6: Final answer
x = 560,161.45
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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.