Finding the Fourth Proportional to 812,608.29, 1,121,586.03 and 540,687.63
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Solution
The fourth proportional to 812,608.29, 1,121,586.03 and 540,687.63 is: 746,273.08
Step by Step Solution
- Step 1: Write the proportion equation
812,608.29 : 1,121,586.03 = 540,687.63 : x - Step 2: Convert to fraction form
812,608.29/1,121,586.03 = 540,687.63/x - Step 3: Cross multiply
812,608.29x = 1,121,586.03 × 540,687.63 - Step 4: Simplify right side
812,608.29x = 606,427,692,401.81 - Step 5: Solve for x
x = 606,427,692,401.81/812,608.29 - Step 6: Final answer
x = 746,273.08
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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.