Finding the Fourth Proportional to 523,744.16, 722,746.60 and 320,135.99
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Solution
The fourth proportional to 523,744.16, 722,746.60 and 320,135.99 is: 441,775.23
Step by Step Solution
- Step 1: Write the proportion equation
523,744.16 : 722,746.60 = 320,135.99 : x - Step 2: Convert to fraction form
523,744.16/722,746.60 = 320,135.99/x - Step 3: Cross multiply
523,744.16x = 722,746.60 × 320,135.99 - Step 4: Simplify right side
523,744.16x = 231,377,193,896.06 - Step 5: Solve for x
x = 231,377,193,896.06/523,744.16 - Step 6: Final answer
x = 441,775.23
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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.