Finding the Fourth Proportional to 523,749.16, 722,753.49 and 320,140.99
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Solution
The fourth proportional to 523,749.16, 722,753.49 and 320,140.99 is: 441,782.13
Step by Step Solution
- Step 1: Write the proportion equation
523,749.16 : 722,753.49 = 320,140.99 : x - Step 2: Convert to fraction form
523,749.16/722,753.49 = 320,140.99/x - Step 3: Cross multiply
523,749.16x = 722,753.49 × 320,140.99 - Step 4: Simplify right side
523,749.16x = 231,383,017,814.56 - Step 5: Solve for x
x = 231,383,017,814.56/523,749.16 - Step 6: Final answer
x = 441,782.13
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.